123444312502425 has 48 divisors (see below), whose sum is σ = 214839172954560. Its totient is φ = 62371063203840.

The previous prime is 123444312502373. The next prime is 123444312502477. The reversal of 123444312502425 is 524205213444321.

It is an interprime number because it is at equal distance from previous prime (123444312502373) and next prime (123444312502477).

It is not a de Polignac number, because 123444312502425 - 2²⁶ = 123444245393561 is a prime.

It is a super-2 number, since 2×123444312502425² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119723889 + ... + 120750561.

It is an arithmetic number, because the mean of its divisors is an integer number (4475816103220).

Almost surely, 2^{123444312502425} is an apocalyptic number.

123444312502425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123444312502425 is a deficient number, since it is larger than the sum of its proper divisors (91394860452135).

123444312502425 is a wasteful number, since it uses less digits than its factorization.

123444312502425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111082 (or 1111077 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 123444312502425 its reverse (524205213444321), we get a palindrome (647649525946746).

The spelling of 123444312502425 in words is "one hundred twenty-three trillion, four hundred forty-four billion, three hundred twelve million, five hundred two thousand, four hundred twenty-five".