123522255045 has 64 divisors (see below), whose sum is σ = 259619904000. Its totient is φ = 54520155648.

The previous prime is 123522254971. The next prime is 123522255053. The reversal of 123522255045 is 540552225321.

123522255045 is a `hidden beast` number, since 1 + 23 + 522 + 25 + 50 + 45 = 666.

It is not a de Polignac number, because 123522255045 - 2¹² = 123522250949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2226240 + ... + 2281049.

It is an arithmetic number, because the mean of its divisors is an integer number (4056561000).

Almost surely, 2^123522255045 is an apocalyptic number.

123522255045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123522255045 is an abundant number, since it is smaller than the sum of its proper divisors (136097648955).

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

123522255045 is a wasteful number, since it uses less digits than its factorization.

123522255045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507339 (or 4507333 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 123522255045 in words is "one hundred twenty-three billion, five hundred twenty-two million, two hundred fifty-five thousand, forty-five".