23499464688 has 720 divisors, whose sum is σ = 85950498816. Its totient is φ = 6179120640.

The previous prime is 23499464669. The next prime is 23499464699. The reversal of 23499464688 is 88646499432.

23499464688 is a `hidden beast` number, since 2 + 3 + 4 + 99 + 464 + 6 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 135834970 + ... + 135835142.

Almost surely, 2^23499464688 is an apocalyptic number.

23499464688 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 23499464688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42975249408).

23499464688 is an abundant number, since it is smaller than the sum of its proper divisors (62451034128).

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

23499464688 is a wasteful number, since it uses less digits than its factorization.

23499464688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 239 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 63.

The spelling of 23499464688 in words is "twenty-three billion, four hundred ninety-nine million, four hundred sixty-four thousand, six hundred eighty-eight".