123244340031401 has 32 divisors (see below), whose sum is σ = 138560144486400. Its totient is φ = 109116108702720.

The previous prime is 123244340031389. The next prime is 123244340031403. The reversal of 123244340031401 is 104130043442321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123244340031401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123244340031403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18609140 + ... + 24347253.

It is an arithmetic number, because the mean of its divisors is an integer number (4330004515200).

Almost surely, 2^{123244340031401} is an apocalyptic number.

It is an amenable number.

123244340031401 is a deficient number, since it is larger than the sum of its proper divisors (15315804454999).

123244340031401 is a wasteful number, since it uses less digits than its factorization.

123244340031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42956609.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 123244340031401 its reverse (104130043442321), we get a palindrome (227374383473722).

The spelling of 123244340031401 in words is "one hundred twenty-three trillion, two hundred forty-four billion, three hundred forty million, thirty-one thousand, four hundred one".