23758772280 has 128 divisors (see below), whose sum is σ = 75728520000. Its totient is φ = 5942484992.

The previous prime is 23758772251. The next prime is 23758772299. The reversal of 23758772280 is 8227785732.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577846 + ... + 617594.

Almost surely, 2^23758772280 is an apocalyptic number.

23758772280 is a gapful number since it is divisible by the number (20) 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 23758772280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37864260000).

23758772280 is an abundant number, since it is smaller than the sum of its proper divisors (51969747720).

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

23758772280 is a wasteful number, since it uses less digits than its factorization.

23758772280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073 (or 40069 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 23758772280 in words is "twenty-three billion, seven hundred fifty-eight million, seven hundred seventy-two thousand, two hundred eighty".