123423124425 has 24 divisors (see below), whose sum is σ = 204100686720. Its totient is φ = 65812401600.

The previous prime is 123423124397. The next prime is 123423124453. The reversal of 123423124425 is 524421324321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123423124397) and next prime (123423124453).

It is not a de Polignac number, because 123423124425 - 2⁵ = 123423124393 is a prime.

It is a super-3 number, since 3×123423124425³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214635 + ... + 541215.

It is an arithmetic number, because the mean of its divisors is an integer number (8504195280).

Almost surely, 2^123423124425 is an apocalyptic number.

123423124425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123423124425 is a deficient number, since it is larger than the sum of its proper divisors (80677562295).

123423124425 is a wasteful number, since it uses less digits than its factorization.

123423124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331633 (or 331628 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 123423124425 its reverse (524421324321), we get a palindrome (647844448746).

The spelling of 123423124425 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred twenty-four thousand, four hundred twenty-five".