123241400552530 has 128 divisors (see below), whose sum is σ = 244631342592000. Its totient is φ = 44424795340800.

The previous prime is 123241400552311. The next prime is 123241400552549. The reversal of 123241400552530 is 35255004142321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123241400552530.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679978261 + ... + 680159479.

It is an arithmetic number, because the mean of its divisors is an integer number (1911182364000).

Almost surely, 2^{123241400552530} is an apocalyptic number.

123241400552530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123241400552530 is a deficient number, since it is larger than the sum of its proper divisors (121389942039470).

123241400552530 is a wasteful number, since it uses less digits than its factorization.

123241400552530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181940.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 123241400552530 its reverse (35255004142321), we get a palindrome (158496404694851).

The spelling of 123241400552530 in words is "one hundred twenty-three trillion, two hundred forty-one billion, four hundred million, five hundred fifty-two thousand, five hundred thirty".