23023772928 has 432 divisors, whose sum is σ = 76603887360. Its totient is φ = 6587744256.

The previous prime is 23023772927. The next prime is 23023772987. The reversal of 23023772928 is 82927732032.

23023772928 is a `hidden beast` number, since 230 + 2 + 377 + 29 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023772927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52445733 + ... + 52446171.

Almost surely, 2^23023772928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23023772928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38301943680).

23023772928 is an abundant number, since it is smaller than the sum of its proper divisors (53580114432).

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

23023772928 is a wasteful number, since it uses less digits than its factorization.

23023772928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 23023772928 in words is "twenty-three billion, twenty-three million, seven hundred seventy-two thousand, nine hundred twenty-eight".