123242504013053 has 4 divisors (see below), whose sum is σ = 123242619686940. Its totient is φ = 123242388339168.

The previous prime is 123242504013007. The next prime is 123242504013071. The reversal of 123242504013053 is 350310405242321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45073794544804 + 78168709468249 = 6713702^2 + 8841307^2 .

It is a cyclic number.

It is not a de Polignac number, because 123242504013053 - 2²² = 123242499818749 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 (123242504013953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56223800 + ... + 58374657.

It is an arithmetic number, because the mean of its divisors is an integer number (30810654921735).

Almost surely, 2^{123242504013053} is an apocalyptic number.

It is an amenable number.

123242504013053 is a deficient number, since it is larger than the sum of its proper divisors (115673887).

123242504013053 is a wasteful number, since it uses less digits than its factorization.

123242504013053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115673886.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 123242504013053 its reverse (350310405242321), we get a palindrome (473552909255374).

The spelling of 123242504013053 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred four million, thirteen thousand, fifty-three".