123324203020403 has 16 divisors (see below), whose sum is σ = 157910387023104. Its totient is φ = 93499571259360.

The previous prime is 123324203020399. The next prime is 123324203020411. The reversal of 123324203020403 is 304020302423321.

It is not a de Polignac number, because 123324203020403 - 2² = 123324203020399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123324203020433) 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, 21643416425 + ... + 21643422122.

It is an arithmetic number, because the mean of its divisors is an integer number (9869399188944).

Almost surely, 2^{123324203020403} is an apocalyptic number.

123324203020403 is a deficient number, since it is larger than the sum of its proper divisors (34586184002701).

123324203020403 is a wasteful number, since it uses less digits than its factorization.

123324203020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43286838602.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 123324203020403 its reverse (304020302423321), we get a palindrome (427344505443724).

The spelling of 123324203020403 in words is "one hundred twenty-three trillion, three hundred twenty-four billion, two hundred three million, twenty thousand, four hundred three".