123320410302403 has 4 divisors (see below), whose sum is σ = 123556204586488. Its totient is φ = 123084616018320.

The previous prime is 123320410302367. The next prime is 123320410302409. The reversal of 123320410302403 is 304203014023321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123320410302403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123320410302409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117897141258 + ... + 117897142303.

It is an arithmetic number, because the mean of its divisors is an integer number (30889051146622).

Almost surely, 2^{123320410302403} is an apocalyptic number.

123320410302403 is a deficient number, since it is larger than the sum of its proper divisors (235794284085).

123320410302403 is an equidigital number, since it uses as much as digits as its factorization.

123320410302403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235794284084.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123320410302403 its reverse (304203014023321), we get a palindrome (427523424325724).

The spelling of 123320410302403 in words is "one hundred twenty-three trillion, three hundred twenty billion, four hundred ten million, three hundred two thousand, four hundred three".