123618552 has 16 divisors (see below), whose sum is σ = 309046440. Its totient is φ = 41206176.

The previous prime is 123618527. The next prime is 123618553. The reversal of 123618552 is 255816321.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123618553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575363 + ... + 2575410.

Almost surely, 2^123618552 is an apocalyptic number.

123618552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123618552 is an abundant number, since it is smaller than the sum of its proper divisors (185427888).

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

123618552 is a wasteful number, since it uses less digits than its factorization.

123618552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150782 (or 5150778 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 123618552 is about 11118.3880126572. The cubic root of 123618552 is about 498.1512419458.

The spelling of 123618552 in words is "one hundred twenty-three million, six hundred eighteen thousand, five hundred fifty-two".