23128687296 has 672 divisors, whose sum is σ = 82330787840. Its totient is φ = 6322821120.

The previous prime is 23128687279. The next prime is 23128687301. The reversal of 23128687296 is 69278682132.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182115585 + ... + 182115711.

Almost surely, 2^23128687296 is an apocalyptic number.

23128687296 is a gapful number since it is divisible by the number (26) 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 23128687296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41165393920).

23128687296 is an abundant number, since it is smaller than the sum of its proper divisors (59202100544).

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

23128687296 is a wasteful number, since it uses less digits than its factorization.

23128687296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 223 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 23128687296 in words is "twenty-three billion, one hundred twenty-eight million, six hundred eighty-seven thousand, two hundred ninety-six".