123017452425 has 72 divisors (see below), whose sum is σ = 255361691520. Its totient is φ = 55444435200.

The previous prime is 123017452417. The next prime is 123017452457. The reversal of 123017452425 is 524254710321.

123017452425 is a `hidden beast` number, since 12 + 3 + 0 + 174 + 52 + 425 = 666.

It is not a de Polignac number, because 123017452425 - 2³ = 123017452417 is a prime.

It is a super-2 number, since 2×123017452425² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123017452425.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 438220 + ... + 661869.

It is an arithmetic number, because the mean of its divisors is an integer number (3546690160).

Almost surely, 2^123017452425 is an apocalyptic number.

123017452425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123017452425 is an abundant number, since it is smaller than the sum of its proper divisors (132344239095).

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

123017452425 is a wasteful number, since it uses less digits than its factorization.

123017452425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100183 (or 1100175 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 123017452425 in words is "one hundred twenty-three billion, seventeen million, four hundred fifty-two thousand, four hundred twenty-five".