123455324125 has 16 divisors (see below), whose sum is σ = 176082566400. Its totient is φ = 84655078800.

The previous prime is 123455324029. The next prime is 123455324173. The reversal of 123455324125 is 521423554321.

It is a happy number.

It is not a de Polignac number, because 123455324125 - 2⁷ = 123455323997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70545025 + ... + 70546774.

It is an arithmetic number, because the mean of its divisors is an integer number (11005160400).

Almost surely, 2^123455324125 is an apocalyptic number.

It is an amenable number.

123455324125 is a deficient number, since it is larger than the sum of its proper divisors (52627242275).

123455324125 is an equidigital number, since it uses as much as digits as its factorization.

123455324125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141091821 (or 141091811 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 123455324125 its reverse (521423554321), we get a palindrome (644878878446).

The spelling of 123455324125 in words is "one hundred twenty-three billion, four hundred fifty-five million, three hundred twenty-four thousand, one hundred twenty-five".