123051215522403 has 48 divisors (see below), whose sum is σ = 219038535206400. Its totient is φ = 64989455448960.

The previous prime is 123051215522381. The next prime is 123051215522467. The reversal of 123051215522403 is 304225512150321.

123051215522403 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 5 + 121 + 5 + 522 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 123051215522403 - 2¹² = 123051215518307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123051215522303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1253605543 + ... + 1253703696.

It is an arithmetic number, because the mean of its divisors is an integer number (4563302816800).

Almost surely, 2^{123051215522403} is an apocalyptic number.

123051215522403 is a deficient number, since it is larger than the sum of its proper divisors (95987319683997).

123051215522403 is a wasteful number, since it uses less digits than its factorization.

123051215522403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507309312 (or 2507309309 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 123051215522403 its reverse (304225512150321), we get a palindrome (427276727672724).

The spelling of 123051215522403 in words is "one hundred twenty-three trillion, fifty-one billion, two hundred fifteen million, five hundred twenty-two thousand, four hundred three".