123213332 has 24 divisors (see below), whose sum is σ = 237179712. Its totient is φ = 56003640.

The previous prime is 123213289. The next prime is 123213401. The reversal of 123213332 is 233312321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6248 + ... + 16895.

It is an arithmetic number, because the mean of its divisors is an integer number (9882488).

Almost surely, 2^123213332 is an apocalyptic number.

It is an amenable number.

123213332 is a deficient number, since it is larger than the sum of its proper divisors (113966380).

123213332 is a wasteful number, since it uses less digits than its factorization.

123213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23180 (or 23156 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 123213332 is about 11100.1500890754. The cubic root of 123213332 is about 497.6063350224.

Adding to 123213332 its reverse (233312321), we get a palindrome (356525653).

The spelling of 123213332 in words is "one hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-two".