123234235425 has 36 divisors (see below), whose sum is σ = 252258527040. Its totient is φ = 56335649760.

The previous prime is 123234235381. The next prime is 123234235457. The reversal of 123234235425 is 524532432321.

It is not a de Polignac number, because 123234235425 - 2⁷ = 123234235297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123234235425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39120405 + ... + 39123554.

Almost surely, 2^123234235425 is an apocalyptic number.

123234235425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123234235425 is an abundant number, since it is smaller than the sum of its proper divisors (129024291615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123234235425 is a wasteful number, since it uses less digits than its factorization.

123234235425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78243982 (or 78243974 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 123234235425 its reverse (524532432321), we get a palindrome (647766667746).

The spelling of 123234235425 in words is "one hundred twenty-three billion, two hundred thirty-four million, two hundred thirty-five thousand, four hundred twenty-five".