213323474 has 16 divisors (see below), whose sum is σ = 393828288. Its totient is φ = 84391632.

The previous prime is 213323443. The next prime is 213323489. The reversal of 213323474 is 474323312.

It is a Curzon number.

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, 585872 + ... + 586235.

It is an arithmetic number, because the mean of its divisors is an integer number (24614268).

Almost surely, 2^213323474 is an apocalyptic number.

213323474 is a deficient number, since it is larger than the sum of its proper divisors (180504814).

213323474 is a wasteful number, since it uses less digits than its factorization.

213323474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172129.

The product of its digits is 12096, while the sum is 29.

The square root of 213323474 is about 14605.5973517005. The cubic root of 213323474 is about 597.5114278026.

Adding to 213323474 its reverse (474323312), we get a palindrome (687646786).

The spelling of 213323474 in words is "two hundred thirteen million, three hundred twenty-three thousand, four hundred seventy-four".