212807023 has 16 divisors (see below), whose sum is σ = 255338496. Its totient is φ = 174774240.

The previous prime is 212806991. The next prime is 212807027. The reversal of 212807023 is 320708212.

It is a cyclic number.

It is not a de Polignac number, because 212807023 - 2⁵ = 212806991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212807027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9111 + ... + 22552.

It is an arithmetic number, because the mean of its divisors is an integer number (15958656).

Almost surely, 2^212807023 is an apocalyptic number.

212807023 is a deficient number, since it is larger than the sum of its proper divisors (42531473).

212807023 is a wasteful number, since it uses less digits than its factorization.

212807023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31734.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 212807023 is about 14587.9067381170. The cubic root of 212807023 is about 597.0288512254.

The spelling of 212807023 in words is "two hundred twelve million, eight hundred seven thousand, twenty-three".