10890923 has 2 divisors, whose sum is σ = 10890924. Its totient is φ = 10890922.

The previous prime is 10890881. The next prime is 10890941. The reversal of 10890923 is 32909801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10890923 - 2²⁰ = 9842347 is a prime.

It is a super-2 number, since 2×10890923² = 237224407583858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10890923.

It is not a weakly prime, because it can be changed into another prime (10890023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5445461 + 5445462.

It is an arithmetic number, because the mean of its divisors is an integer number (5445462).

Almost surely, 2^10890923 is an apocalyptic number.

10890923 is a deficient number, since it is larger than the sum of its proper divisors (1).

10890923 is an equidigital number, since it uses as much as digits as its factorization.

10890923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 10890923 is about 3300.1398455217. The cubic root of 10890923 is about 221.6604594967.

The spelling of 10890923 in words is "ten million, eight hundred ninety thousand, nine hundred twenty-three".