123350400013405 has 32 divisors (see below), whose sum is σ = 157506617318400. Its totient is φ = 92474607992832.

The previous prime is 123350400013387. The next prime is 123350400013429. The reversal of 123350400013405 is 504310004053321.

It is a cyclic number.

It is not a de Polignac number, because 123350400013405 - 2¹⁵ = 123350399980637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15217060 + ... + 21869149.

It is an arithmetic number, because the mean of its divisors is an integer number (4922081791200).

Almost surely, 2^{123350400013405} is an apocalyptic number.

It is an amenable number.

123350400013405 is a deficient number, since it is larger than the sum of its proper divisors (34156217304995).

123350400013405 is a wasteful number, since it uses less digits than its factorization.

123350400013405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37086613.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 123350400013405 its reverse (504310004053321), we get a palindrome (627660404066726).

The spelling of 123350400013405 in words is "one hundred twenty-three trillion, three hundred fifty billion, four hundred million, thirteen thousand, four hundred five".