72087241923 has 8 divisors (see below), whose sum is σ = 106795914000. Its totient is φ = 48058161264.

The previous prime is 72087241913. The next prime is 72087241937. The reversal of 72087241923 is 32914278027.

72087241923 is a `hidden beast` number, since 7 + 208 + 7 + 2 + 419 + 23 = 666.

It is not a de Polignac number, because 72087241923 - 2⁹ = 72087241411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72087241913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334948898 + ... + 1334948951.

It is an arithmetic number, because the mean of its divisors is an integer number (13349489250).

Almost surely, 2^72087241923 is an apocalyptic number.

72087241923 is a deficient number, since it is larger than the sum of its proper divisors (34708672077).

72087241923 is a wasteful number, since it uses less digits than its factorization.

72087241923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669897858 (or 2669897852 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 72087241923 in words is "seventy-two billion, eighty-seven million, two hundred forty-one thousand, nine hundred twenty-three".