23135013523 has 8 divisors (see below), whose sum is σ = 23958842400. Its totient is φ = 22312922688.

The previous prime is 23135013511. The next prime is 23135013527. The reversal of 23135013523 is 32531053132.

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

It is a cyclic number.

It is not a de Polignac number, because 23135013523 - 2²¹ = 23132916371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23135013491 and 23135013500.

It is not an unprimeable number, because it can be changed into a prime (23135013527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407386 + ... + 460687.

It is an arithmetic number, because the mean of its divisors is an integer number (2994855300).

Almost surely, 2^23135013523 is an apocalyptic number.

23135013523 is a deficient number, since it is larger than the sum of its proper divisors (823828877).

23135013523 is an equidigital number, since it uses as much as digits as its factorization.

23135013523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869021.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 23135013523 its reverse (32531053132), we get a palindrome (55666066655).

The spelling of 23135013523 in words is "twenty-three billion, one hundred thirty-five million, thirteen thousand, five hundred twenty-three".