923371990 has 16 divisors (see below), whose sum is σ = 1663461648. Its totient is φ = 369039456.

The previous prime is 923371951. The next prime is 923372033. The reversal of 923371990 is 99173329.

923371990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 25932 + ... + 50191.

It is an arithmetic number, because the mean of its divisors is an integer number (103966353).

Almost surely, 2^923371990 is an apocalyptic number.

923371990 is a deficient number, since it is larger than the sum of its proper divisors (740089658).

923371990 is a wasteful number, since it uses less digits than its factorization.

923371990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77343.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 923371990 is about 30387.0365452112. The cubic root of 923371990 is about 973.7756237479.

The spelling of 923371990 in words is "nine hundred twenty-three million, three hundred seventy-one thousand, nine hundred ninety".