212507323 has 8 divisors (see below), whose sum is σ = 242977248. Its totient is φ = 182065344.

The previous prime is 212507299. The next prime is 212507329. The reversal of 212507323 is 323705212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212507323 - 2⁵ = 212507291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212507329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13215 + ... + 24487.

It is an arithmetic number, because the mean of its divisors is an integer number (30372156).

Almost surely, 2^212507323 is an apocalyptic number.

212507323 is a deficient number, since it is larger than the sum of its proper divisors (30469925).

212507323 is a wasteful number, since it uses less digits than its factorization.

212507323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13973.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 212507323 is about 14577.6309117771. The cubic root of 212507323 is about 596.7484506907.

The spelling of 212507323 in words is "two hundred twelve million, five hundred seven thousand, three hundred twenty-three".