123300440153023 has 6 divisors (see below), whose sum is σ = 143431124259696. Its totient is φ = 105686091559692.

The previous prime is 123300440152919. The next prime is 123300440153047. The reversal of 123300440153023 is 320351044003321.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-123300440153023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300440193023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1258167756615 + ... + 1258167756712.

It is an arithmetic number, because the mean of its divisors is an integer number (23905187376616).

Almost surely, 2^{123300440153023} is an apocalyptic number.

123300440153023 is a deficient number, since it is larger than the sum of its proper divisors (20130684106673).

123300440153023 is an equidigital number, since it uses as much as digits as its factorization.

123300440153023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516335513341 (or 2516335513334 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 123300440153023 its reverse (320351044003321), we get a palindrome (443651484156344).

The spelling of 123300440153023 in words is "one hundred twenty-three trillion, three hundred billion, four hundred forty million, one hundred fifty-three thousand, twenty-three".