123315403223025 has 288 divisors, whose sum is σ = 241890909990912. Its totient is φ = 59688608716800.

The previous prime is 123315403223011. The next prime is 123315403223029. The reversal of 123315403223025 is 520322304513321.

123315403223025 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 1 + 5 + 403 + 223 + 0 + 25 = 666.

It is not a de Polignac number, because 123315403223025 - 2⁹ = 123315403222513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123315403223029) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 51791432335 + ... + 51791434715.

It is an arithmetic number, because the mean of its divisors is an integer number (839898993024).

Almost surely, 2^{123315403223025} is an apocalyptic number.

123315403223025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123315403223025 is a deficient number, since it is larger than the sum of its proper divisors (118575506767887).

123315403223025 is a wasteful number, since it uses less digits than its factorization.

123315403223025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 123315403223025 its reverse (520322304513321), we get a palindrome (643637707736346).

The spelling of 123315403223025 in words is "one hundred twenty-three trillion, three hundred fifteen billion, four hundred three million, two hundred twenty-three thousand, twenty-five".