923472691 has 12 divisors (see below), whose sum is σ = 990799992. Its totient is φ = 857617664.

The previous prime is 923472653. The next prime is 923472707. The reversal of 923472691 is 196274329.

923472691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 923472691 - 2¹⁷ = 923341619 is a prime.

It is a super-2 number, since 2×923472691² = 1705603622045562962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923472631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1141095 + ... + 1141903.

It is an arithmetic number, because the mean of its divisors is an integer number (82566666).

Almost surely, 2^923472691 is an apocalyptic number.

923472691 is a deficient number, since it is larger than the sum of its proper divisors (67327301).

923472691 is an frugal number, since it uses more digits than its factorization.

923472691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 909 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 923472691 is about 30388.6934730666. The cubic root of 923472691 is about 973.8110217658.

The spelling of 923472691 in words is "nine hundred twenty-three million, four hundred seventy-two thousand, six hundred ninety-one".