123213310 has 16 divisors (see below), whose sum is σ = 241946352. Its totient is φ = 44804800.

The previous prime is 123213289. The next prime is 123213401. The reversal of 123213310 is 13312321.

It is a super-2 number, since 2×123213310² = 30363039522312200, which contains 22 as substring.

It is a congruent 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, 559951 + ... + 560170.

It is an arithmetic number, because the mean of its divisors is an integer number (15121647).

Almost surely, 2^123213310 is an apocalyptic number.

123213310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123213310 is a deficient number, since it is larger than the sum of its proper divisors (118733042).

123213310 is a wasteful number, since it uses less digits than its factorization.

123213310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120139.

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

The square root of 123213310 is about 11100.1490980977. The cubic root of 123213310 is about 497.6063054062.

Adding to 123213310 its reverse (13312321), we get a palindrome (136525631).

The spelling of 123213310 in words is "one hundred twenty-three million, two hundred thirteen thousand, three hundred ten".