23397571008 has 448 divisors, whose sum is σ = 84282808320. Its totient is φ = 6218809344.

The previous prime is 23397570967. The next prime is 23397571009. The reversal of 23397571008 is 80017579332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23397571009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10292560 + ... + 10294832.

Almost surely, 2^23397571008 is an apocalyptic number.

23397571008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23397571008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42141404160).

23397571008 is an abundant number, since it is smaller than the sum of its proper divisors (60885237312).

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

23397571008 is a wasteful number, since it uses less digits than its factorization.

23397571008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 23397571008 in words is "twenty-three billion, three hundred ninety-seven million, five hundred seventy-one thousand, eight".