123355454350525 has 12 divisors (see below), whose sum is σ = 154896975592000. Its totient is φ = 97435194320880.

The previous prime is 123355454350439. The next prime is 123355454350619. The reversal of 123355454350525 is 525053454553321.

It is not a de Polignac number, because 123355454350525 - 2¹⁵ = 123355454317757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31229226975 + ... + 31229230924.

Almost surely, 2^{123355454350525} is an apocalyptic number.

It is an amenable number.

123355454350525 is a deficient number, since it is larger than the sum of its proper divisors (31541521241475).

123355454350525 is an equidigital number, since it uses as much as digits as its factorization.

123355454350525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62458457988 (or 62458457983 counting only the distinct ones).

The product of its (nonzero) digits is 27000000, while the sum is 52.

The spelling of 123355454350525 in words is "one hundred twenty-three trillion, three hundred fifty-five billion, four hundred fifty-four million, three hundred fifty thousand, five hundred twenty-five".