123233312 has 12 divisors (see below), whose sum is σ = 242615646. Its totient is φ = 61616640.

The previous prime is 123233269. The next prime is 123233317. The reversal of 123233312 is 213332321.

It can be written as a sum of positive squares in only one way, i.e., 121969936 + 1263376 = 11044^2 + 1124^2 .

It is not an unprimeable number, because it can be changed into a prime (123233317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925489 + ... + 1925552.

Almost surely, 2^123233312 is an apocalyptic number.

It is an amenable number.

123233312 is a deficient number, since it is larger than the sum of its proper divisors (119382334).

123233312 is an equidigital number, since it uses as much as digits as its factorization.

123233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851051 (or 3851043 counting only the distinct ones).

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

The square root of 123233312 is about 11101.0500404241. The cubic root of 123233312 is about 497.6332304810.

Adding to 123233312 its reverse (213332321), we get a palindrome (336565633).

Subtracting 123233312 from its reverse (213332321), we obtain a palindrome (90099009).

The spelling of 123233312 in words is "one hundred twenty-three million, two hundred thirty-three thousand, three hundred twelve".