23400042043 has 8 divisors (see below), whose sum is σ = 26754566112. Its totient is φ = 20048433216.

The previous prime is 23400041993. The next prime is 23400042079. The reversal of 23400042043 is 34024000432.

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

It is not a de Polignac number, because 23400042043 - 2³³ = 14810107451 is a prime.

It is a super-2 number, since 2×23400042043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23400042143) 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, 711580 + ... + 743737.

It is an arithmetic number, because the mean of its divisors is an integer number (3344320764).

Almost surely, 2^23400042043 is an apocalyptic number.

23400042043 is a deficient number, since it is larger than the sum of its proper divisors (3354524069).

23400042043 is a wasteful number, since it uses less digits than its factorization.

23400042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457621.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23400042043 its reverse (34024000432), we get a palindrome (57424042475).

The spelling of 23400042043 in words is "twenty-three billion, four hundred million, forty-two thousand, forty-three".