123232400 has 30 divisors (see below), whose sum is σ = 296066802. Its totient is φ = 49292800.

The previous prime is 123232399. The next prime is 123232441. The reversal of 123232400 is 4232321.

It can be written as a sum of positive squares in 3 ways, for example, as 4596736 + 118635664 = 2144^2 + 10892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153641 + ... + 154440.

Almost surely, 2^123232400 is an apocalyptic number.

123232400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232400 is an abundant number, since it is smaller than the sum of its proper divisors (172834402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123232400 is a wasteful number, since it uses less digits than its factorization.

123232400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308099 (or 308088 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 123232400 is about 11101.0089631529. The cubic root of 123232400 is about 497.6320028838.

Adding to 123232400 its reverse (4232321), we get a palindrome (127464721).

The spelling of 123232400 in words is "one hundred twenty-three million, two hundred thirty-two thousand, four hundred".