123355252 has 6 divisors (see below), whose sum is σ = 215871698. Its totient is φ = 61677624.

The previous prime is 123355229. The next prime is 123355259. The reversal of 123355252 is 252553321.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 41525136 = 9046^2 + 6444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123355252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123355259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15419403 + ... + 15419410.

Almost surely, 2^123355252 is an apocalyptic number.

It is an amenable number.

123355252 is a deficient number, since it is larger than the sum of its proper divisors (92516446).

123355252 is a wasteful number, since it uses less digits than its factorization.

123355252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30838817 (or 30838815 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 123355252 is about 11106.5409556711. The cubic root of 123355252 is about 497.7973132583.

The spelling of 123355252 in words is "one hundred twenty-three million, three hundred fifty-five thousand, two hundred fifty-two".