212264023 has 4 divisors (see below), whose sum is σ = 224750160. Its totient is φ = 199777888.

The previous prime is 212264009. The next prime is 212264027. The reversal of 212264023 is 320462212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212264023 - 2⁹ = 212263511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212263985 and 212264003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212264027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6243043 + ... + 6243076.

It is an arithmetic number, because the mean of its divisors is an integer number (56187540).

Almost surely, 2^212264023 is an apocalyptic number.

212264023 is a deficient number, since it is larger than the sum of its proper divisors (12486137).

212264023 is a wasteful number, since it uses less digits than its factorization.

212264023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486136.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 212264023 is about 14569.2835444987. The cubic root of 212264023 is about 596.5206242794.

The spelling of 212264023 in words is "two hundred twelve million, two hundred sixty-four thousand, twenty-three".