123013240252424 has 8 divisors (see below), whose sum is σ = 230649825473310. Its totient is φ = 61506620126208.

The previous prime is 123013240252373. The next prime is 123013240252429. The reversal of 123013240252424 is 424252042310321.

It can be written as a sum of positive squares in only one way, i.e., 109459930536100 + 13553309716324 = 10462310^2 + 3681482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (123013240252429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7688327515769 + ... + 7688327515784.

Almost surely, 2^{123013240252424} is an apocalyptic number.

It is an amenable number.

123013240252424 is a deficient number, since it is larger than the sum of its proper divisors (107636585220886).

123013240252424 is a wasteful number, since it uses less digits than its factorization.

123013240252424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15376655031559 (or 15376655031555 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 123013240252424 its reverse (424252042310321), we get a palindrome (547265282562745).

The spelling of 123013240252424 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, two hundred fifty-two thousand, four hundred twenty-four".