123151553254425 has 24 divisors (see below), whose sum is σ = 203897748062080. Its totient is φ = 65588189688000.

The previous prime is 123151553254423. The next prime is 123151553254453. The reversal of 123151553254425 is 524452355151321.

It is a happy number.

It is not a de Polignac number, because 123151553254425 - 2¹ = 123151553254423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123151553254423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157930401 + ... + 1158036750.

Almost surely, 2^{123151553254425} is an apocalyptic number.

123151553254425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123151553254425 is a deficient number, since it is larger than the sum of its proper divisors (80746194807655).

123151553254425 is a wasteful number, since it uses less digits than its factorization.

123151553254425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315967873 (or 2315967868 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 48.

The spelling of 123151553254425 in words is "one hundred twenty-three trillion, one hundred fifty-one billion, five hundred fifty-three million, two hundred fifty-four thousand, four hundred twenty-five".