123403324214451 has 16 divisors (see below), whose sum is σ = 167236667739648. Its totient is φ = 80919456938400.

The previous prime is 123403324214447. The next prime is 123403324214479. The reversal of 123403324214451 is 154412423304321.

It is not a de Polignac number, because 123403324214451 - 2² = 123403324214447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123403324214431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16847590 + ... + 23035796.

It is an arithmetic number, because the mean of its divisors is an integer number (10452291733728).

Almost surely, 2^{123403324214451} is an apocalyptic number.

123403324214451 is a deficient number, since it is larger than the sum of its proper divisors (43833343525197).

123403324214451 is a wasteful number, since it uses less digits than its factorization.

123403324214451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297242.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 123403324214451 its reverse (154412423304321), we get a palindrome (277815747518772).

The spelling of 123403324214451 in words is "one hundred twenty-three trillion, four hundred three billion, three hundred twenty-four million, two hundred fourteen thousand, four hundred fifty-one".