23377450388 has 24 divisors (see below), whose sum is σ = 41278304424. Its totient is φ = 11583936000.

The previous prime is 23377450321. The next prime is 23377450471. The reversal of 23377450388 is 88305477332.

It can be written as a sum of positive squares in 4 ways, for example, as 15694577284 + 7682873104 = 125278^2 + 87652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293858 + ... + 364838.

It is an arithmetic number, because the mean of its divisors is an integer number (1719929351).

Almost surely, 2^23377450388 is an apocalyptic number.

It is an amenable number.

23377450388 is a deficient number, since it is larger than the sum of its proper divisors (17900854036).

23377450388 is a wasteful number, since it uses less digits than its factorization.

23377450388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71723 (or 71721 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 23377450388 in words is "twenty-three billion, three hundred seventy-seven million, four hundred fifty thousand, three hundred eighty-eight".