123331304 has 8 divisors (see below), whose sum is σ = 231246210. Its totient is φ = 61665648.

The previous prime is 123331301. The next prime is 123331333. The reversal of 123331304 is 403133321.

It can be written as a sum of positive squares in only one way, i.e., 79744900 + 43586404 = 8930^2 + 6602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×123331304² = 30421221092680832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123331301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7708199 + ... + 7708214.

Almost surely, 2^123331304 is an apocalyptic number.

It is an amenable number.

123331304 is a deficient number, since it is larger than the sum of its proper divisors (107914906).

123331304 is a wasteful number, since it uses less digits than its factorization.

123331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15416419 (or 15416415 counting only the distinct ones).

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

The square root of 123331304 is about 11105.4627999017. The cubic root of 123331304 is about 497.7650973037.

Adding to 123331304 its reverse (403133321), we get a palindrome (526464625).

The spelling of 123331304 in words is "one hundred twenty-three million, three hundred thirty-one thousand, three hundred four".