123330220503525 has 96 divisors (see below), whose sum is σ = 258932190176000. Its totient is φ = 56378662502400.

The previous prime is 123330220503487. The next prime is 123330220503547. The reversal of 123330220503525 is 525305022033321.

123330220503525 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 30 + 220 + 50 + 352 + 5 = 666.

It is not a de Polignac number, because 123330220503525 - 2¹⁹ = 123330219979237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123330220503525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 385631685 + ... + 385951365.

Almost surely, 2^{123330220503525} is an apocalyptic number.

123330220503525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123330220503525 is an abundant number, since it is smaller than the sum of its proper divisors (135601969672475).

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

123330220503525 is a wasteful number, since it uses less digits than its factorization.

123330220503525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401356 (or 401345 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 123330220503525 its reverse (525305022033321), we get a palindrome (648635242536846).

The spelling of 123330220503525 in words is "one hundred twenty-three trillion, three hundred thirty billion, two hundred twenty million, five hundred three thousand, five hundred twenty-five".