23496864538 has 32 divisors (see below), whose sum is σ = 42052421376. Its totient is φ = 9627497088.

The previous prime is 23496864533. The next prime is 23496864553. The reversal of 23496864538 is 83546869432.

It is not an unprimeable number, because it can be changed into a prime (23496864533) 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 15 ways as a sum of consecutive naturals, for example, 676320 + ... + 710212.

It is an arithmetic number, because the mean of its divisors is an integer number (1314138168).

Almost surely, 2^23496864538 is an apocalyptic number.

23496864538 is a deficient number, since it is larger than the sum of its proper divisors (18555556838).

23496864538 is a wasteful number, since it uses less digits than its factorization.

23496864538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36078.

The product of its digits is 29859840, while the sum is 58.

The spelling of 23496864538 in words is "twenty-three billion, four hundred ninety-six million, eight hundred sixty-four thousand, five hundred thirty-eight".