123255330104530 has 32 divisors (see below), whose sum is σ = 239610317814000. Its totient is φ = 45379260156672.

The previous prime is 123255330104509. The next prime is 123255330104581. The reversal of 123255330104530 is 35401033552321.

It can be written as a sum of positive squares in 8 ways, for example, as 84622355319681 + 38632974784849 = 9199041^2 + 6215543^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123255330104530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358289765 + ... + 1358380504.

Almost surely, 2^{123255330104530} is an apocalyptic number.

123255330104530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123255330104530 is a deficient number, since it is larger than the sum of its proper divisors (116354987709470).

123255330104530 is a wasteful number, since it uses less digits than its factorization.

123255330104530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716670638.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 123255330104530 its reverse (35401033552321), we get a palindrome (158656363656851).

The spelling of 123255330104530 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, three hundred thirty million, one hundred four thousand, five hundred thirty".