23279442100 has 18 divisors (see below), whose sum is σ = 50516389574. Its totient is φ = 9311776800.

The previous prime is 23279442037. The next prime is 23279442149. The reversal of 23279442100 is 124497232.

It can be written as a sum of positive squares in 3 ways, for example, as 5444373796 + 17835068304 = 73786^2 + 133548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116397111 + ... + 116397310.

Almost surely, 2^23279442100 is an apocalyptic number.

23279442100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23279442100 is an abundant number, since it is smaller than the sum of its proper divisors (27236947474).

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

23279442100 is a wasteful number, since it uses less digits than its factorization.

23279442100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232794435 (or 232794428 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 23279442100 in words is "twenty-three billion, two hundred seventy-nine million, four hundred forty-two thousand, one hundred".