23272451680 has 24 divisors (see below), whose sum is σ = 54981167472. Its totient is φ = 9308980608.

The previous prime is 23272451659. The next prime is 23272451687. The reversal of 23272451680 is 8615427232.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23272451687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72726252 + ... + 72726571.

It is an arithmetic number, because the mean of its divisors is an integer number (2290881978).

Almost surely, 2^23272451680 is an apocalyptic number.

23272451680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23272451680 is an abundant number, since it is smaller than the sum of its proper divisors (31708715792).

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

23272451680 is a wasteful number, since it uses less digits than its factorization.

23272451680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145452838 (or 145452830 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 23272451680 in words is "twenty-three billion, two hundred seventy-two million, four hundred fifty-one thousand, six hundred eighty".