212379223 has 16 divisors (see below), whose sum is σ = 250184704. Its totient is φ = 176476320.

The previous prime is 212379137. The next prime is 212379241. The reversal of 212379223 is 322973212.

212379223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212379223 - 2²⁵ = 178824791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212379523) 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, 78178 + ... + 80848.

It is an arithmetic number, because the mean of its divisors is an integer number (15636544).

Almost surely, 2^212379223 is an apocalyptic number.

212379223 is a deficient number, since it is larger than the sum of its proper divisors (37805481).

212379223 is a wasteful number, since it uses less digits than its factorization.

212379223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022.

The product of its digits is 9072, while the sum is 31.

The square root of 212379223 is about 14573.2365313955. The cubic root of 212379223 is about 596.6285193856.

The spelling of 212379223 in words is "two hundred twelve million, three hundred seventy-nine thousand, two hundred twenty-three".