23780272400 has 30 divisors (see below), whose sum is σ = 57132105402. Its totient is φ = 9512108800.

The previous prime is 23780272387. The next prime is 23780272403. The reversal of 23780272400 is 427208732.

It can be written as a sum of positive squares in 3 ways, for example, as 388405264 + 23391867136 = 19708^2 + 152944^2 .

It is not an unprimeable number, because it can be changed into a prime (23780272403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29724941 + ... + 29725740.

Almost surely, 2^23780272400 is an apocalyptic number.

23780272400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23780272400 is an abundant number, since it is smaller than the sum of its proper divisors (33351833002).

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

23780272400 is a wasteful number, since it uses less digits than its factorization.

23780272400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59450699 (or 59450688 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 23780272400 in words is "twenty-three billion, seven hundred eighty million, two hundred seventy-two thousand, four hundred".