23013211431 has 8 divisors (see below), whose sum is σ = 35067750784. Its totient is φ = 13150406520.

The previous prime is 23013211393. The next prime is 23013211447. The reversal of 23013211431 is 13411231032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23013211431 - 2⁷ = 23013211303 is a prime.

It is a super-2 number, since 2×23013211431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1095867211 = 23013211431 / (2 + 3 + 0 + 1 + 3 + 2 + 1 + 1 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23013211398 and 23013211407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013211631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547933585 + ... + 547933626.

It is an arithmetic number, because the mean of its divisors is an integer number (4383468848).

Almost surely, 2^23013211431 is an apocalyptic number.

23013211431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23013211431 is a deficient number, since it is larger than the sum of its proper divisors (12054539353).

23013211431 is a wasteful number, since it uses less digits than its factorization.

23013211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095867221.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23013211431 its reverse (13411231032), we get a palindrome (36424442463).

The spelling of 23013211431 in words is "twenty-three billion, thirteen million, two hundred eleven thousand, four hundred thirty-one".