123313210 has 16 divisors (see below), whose sum is σ = 222945696. Its totient is φ = 49107088.

The previous prime is 123313187. The next prime is 123313213. The reversal of 123313210 is 12313321.

It is a super-2 number, since 2×123313210² = 30412295521008200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123313213) 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, 24892 + ... + 29431.

It is an arithmetic number, because the mean of its divisors is an integer number (13934106).

Almost surely, 2^123313210 is an apocalyptic number.

123313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123313210 is a deficient number, since it is larger than the sum of its proper divisors (99632486).

123313210 is a wasteful number, since it uses less digits than its factorization.

123313210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54557.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 123313210 is about 11104.6481258976. The cubic root of 123313210 is about 497.7407536541.

Adding to 123313210 its reverse (12313321), we get a palindrome (135626531).

The spelling of 123313210 in words is "one hundred twenty-three million, three hundred thirteen thousand, two hundred ten".