252723234 has 16 divisors (see below), whose sum is σ = 507988800. Its totient is φ = 83817360.

The previous prime is 252723203. The next prime is 252723259. The reversal of 252723234 is 432327252.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104637 + ... + 107024.

It is an arithmetic number, because the mean of its divisors is an integer number (31749300).

Almost surely, 2^252723234 is an apocalyptic number.

252723234 is an abundant number, since it is smaller than the sum of its proper divisors (255265566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252723234 is a wasteful number, since it uses less digits than its factorization.

252723234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211865.

The product of its digits is 20160, while the sum is 30.

The square root of 252723234 is about 15897.2712752850. The cubic root of 252723234 is about 632.2396426701.

The spelling of 252723234 in words is "two hundred fifty-two million, seven hundred twenty-three thousand, two hundred thirty-four".