123242430454403 has 16 divisors (see below), whose sum is σ = 133449315199200. Its totient is φ = 113140840988160.

The previous prime is 123242430454397. The next prime is 123242430454411. The reversal of 123242430454403 is 304454034242321.

It is a cyclic number.

It is not a de Polignac number, because 123242430454403 - 2¹⁴ = 123242430438019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123242430451403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28863398 + ... + 32856971.

It is an arithmetic number, because the mean of its divisors is an integer number (8340582199950).

Almost surely, 2^{123242430454403} is an apocalyptic number.

123242430454403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123242430454403 is a deficient number, since it is larger than the sum of its proper divisors (10206884744797).

123242430454403 is a wasteful number, since it uses less digits than its factorization.

123242430454403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61721222.

The product of its (nonzero) digits is 1105920, while the sum is 41.

Adding to 123242430454403 its reverse (304454034242321), we get a palindrome (427696464696724).

The spelling of 123242430454403 in words is "one hundred twenty-three trillion, two hundred forty-two billion, four hundred thirty million, four hundred fifty-four thousand, four hundred three".