123552312 has 32 divisors (see below), whose sum is σ = 332641680. Its totient is φ = 38016000.

The previous prime is 123552301. The next prime is 123552337. The reversal of 123552312 is 213255321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197689 + ... + 198312.

Almost surely, 2^123552312 is an apocalyptic number.

123552312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123552312 is an abundant number, since it is smaller than the sum of its proper divisors (209089368).

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

123552312 is a wasteful number, since it uses less digits than its factorization.

123552312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396023 (or 396019 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 123552312 is about 11115.4087644135. The cubic root of 123552312 is about 498.0622492790.

The spelling of 123552312 in words is "one hundred twenty-three million, five hundred fifty-two thousand, three hundred twelve".