123422612625 has 128 divisors (see below), whose sum is σ = 251745661440. Its totient is φ = 59279040000.

The previous prime is 123422612609. The next prime is 123422612641. The reversal of 123422612625 is 526216224321.

123422612625 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 2 + 26 + 1 + 2 + 625 = 666.

It is an interprime number because it is at equal distance from previous prime (123422612609) and next prime (123422612641).

It is not a de Polignac number, because 123422612625 - 2⁴ = 123422612609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123422612625.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1764570 + ... + 1833180.

It is an arithmetic number, because the mean of its divisors is an integer number (1966762980).

Almost surely, 2^123422612625 is an apocalyptic number.

123422612625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123422612625 is an abundant number, since it is smaller than the sum of its proper divisors (128323048815).

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

123422612625 is a wasteful number, since it uses less digits than its factorization.

123422612625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68689 (or 68673 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 123422612625 its reverse (526216224321), we get a palindrome (649638836946).

The spelling of 123422612625 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred twelve thousand, six hundred twenty-five".