123312052 has 24 divisors (see below), whose sum is σ = 227556000. Its totient is φ = 58307616.

The previous prime is 123312037. The next prime is 123312053. The reversal of 123312052 is 250213321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123312053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57699 + ... + 59797.

It is an arithmetic number, because the mean of its divisors is an integer number (9481500).

Almost surely, 2^123312052 is an apocalyptic number.

It is an amenable number.

123312052 is a deficient number, since it is larger than the sum of its proper divisors (104243948).

123312052 is a wasteful number, since it uses less digits than its factorization.

123312052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 123312052 is about 11104.5959854467. The cubic root of 123312052 is about 497.7391956009.

Adding to 123312052 its reverse (250213321), we get a palindrome (373525373).

The spelling of 123312052 in words is "one hundred twenty-three million, three hundred twelve thousand, fifty-two".