123331233054413 has 12 divisors (see below), whose sum is σ = 127443293065980. Its totient is φ = 119347845445440.

The previous prime is 123331233054383. The next prime is 123331233054527. The reversal of 123331233054413 is 314450332133321.

It can be written as a sum of positive squares in 2 ways, for example, as 113471111807524 + 9860121246889 = 10652282^2 + 3140083^2 .

It is not a de Polignac number, because 123331233054413 - 2⁶ = 123331233054349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331233056413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20571431 + ... + 25881387.

It is an arithmetic number, because the mean of its divisors is an integer number (10620274422165).

Almost surely, 2^{123331233054413} is an apocalyptic number.

It is an amenable number.

123331233054413 is a deficient number, since it is larger than the sum of its proper divisors (4112060011567).

123331233054413 is an equidigital number, since it uses as much as digits as its factorization.

123331233054413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334188 (or 5334157 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 123331233054413 its reverse (314450332133321), we get a palindrome (437781565187734).

The spelling of 123331233054413 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, two hundred thirty-three million, fifty-four thousand, four hundred thirteen".