23043431103403 has 48 divisors (see below), whose sum is σ = 26144894071296. Its totient is φ = 20233508186880.

The previous prime is 23043431103397. The next prime is 23043431103409. The reversal of 23043431103403 is 30430113434032.

It is an interprime number because it is at equal distance from previous prime (23043431103397) and next prime (23043431103409).

It is not a de Polignac number, because 23043431103403 - 2²⁵ = 23043397548971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23043431103409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158341650 + ... + 158487112.

It is an arithmetic number, because the mean of its divisors is an integer number (544685293152).

Almost surely, 2^{23043431103403} is an apocalyptic number.

23043431103403 is a deficient number, since it is larger than the sum of its proper divisors (3101462967893).

23043431103403 is a wasteful number, since it uses less digits than its factorization.

23043431103403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145912 (or 145893 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 23043431103403 its reverse (30430113434032), we get a palindrome (53473544537435).

The spelling of 23043431103403 in words is "twenty-three trillion, forty-three billion, four hundred thirty-one million, one hundred three thousand, four hundred three".