123241503440025 has 36 divisors (see below), whose sum is σ = 226705151208172. Its totient is φ = 63952347726720.

The previous prime is 123241503440021. The next prime is 123241503440057. The reversal of 123241503440025 is 520044305142321.

It is a happy number.

123241503440025 is a `hidden beast` number, since 1 + 2 + 3 + 241 + 5 + 0 + 3 + 4 + 400 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 7408870261776 + 115832633178249 = 2721924^2 + 10762557^2 .

It is not a de Polignac number, because 123241503440025 - 2² = 123241503440021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123241503440021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7401883774 + ... + 7401900423.

Almost surely, 2^{123241503440025} is an apocalyptic number.

123241503440025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123241503440025 is a deficient number, since it is larger than the sum of its proper divisors (103463647768147).

123241503440025 is a wasteful number, since it uses less digits than its factorization.

123241503440025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803784250 (or 14803784242 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 123241503440025 its reverse (520044305142321), we get a palindrome (643285808582346).

The spelling of 123241503440025 in words is "one hundred twenty-three trillion, two hundred forty-one billion, five hundred three million, four hundred forty thousand, twenty-five".