212794923 has 16 divisors (see below), whose sum is σ = 312364800. Its totient is φ = 127781280.

The previous prime is 212794909. The next prime is 212794931. The reversal of 212794923 is 329497212.

It is not a de Polignac number, because 212794923 - 2⁸ = 212794667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212794973) 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, 25983 + ... + 33176.

It is an arithmetic number, because the mean of its divisors is an integer number (19522800).

Almost surely, 2^212794923 is an apocalyptic number.

212794923 is a deficient number, since it is larger than the sum of its proper divisors (99569877).

212794923 is a wasteful number, since it uses less digits than its factorization.

212794923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59282.

The product of its digits is 54432, while the sum is 39.

The square root of 212794923 is about 14587.4920051392. The cubic root of 212794923 is about 597.0175355180.

The spelling of 212794923 in words is "two hundred twelve million, seven hundred ninety-four thousand, nine hundred twenty-three".