23897454612 has 24 divisors (see below), whose sum is σ = 55764590112. Its totient is φ = 7965266400.

The previous prime is 23897454589. The next prime is 23897454619. The reversal of 23897454612 is 21645479832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23897454619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135787 + ... + 257357.

It is an arithmetic number, because the mean of its divisors is an integer number (2323524588).

Almost surely, 2^23897454612 is an apocalyptic number.

It is an amenable number.

23897454612 is an abundant number, since it is smaller than the sum of its proper divisors (31867135500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23897454612 is a wasteful number, since it uses less digits than its factorization.

23897454612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137959 (or 137957 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 23897454612 in words is "twenty-three billion, eight hundred ninety-seven million, four hundred fifty-four thousand, six hundred twelve".