23311123103 has 4 divisors (see below), whose sum is σ = 24063094848. Its totient is φ = 22559151360.

The previous prime is 23311123091. The next prime is 23311123111. The reversal of 23311123103 is 30132111332.

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

It is not a de Polignac number, because 23311123103 - 2²⁰ = 23310074527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311123133) 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, 375985826 + ... + 375985887.

It is an arithmetic number, because the mean of its divisors is an integer number (6015773712).

Almost surely, 2^23311123103 is an apocalyptic number.

23311123103 is a deficient number, since it is larger than the sum of its proper divisors (751971745).

23311123103 is an equidigital number, since it uses as much as digits as its factorization.

23311123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751971744.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23311123103 its reverse (30132111332), we get a palindrome (53443234435).

The spelling of 23311123103 in words is "twenty-three billion, three hundred eleven million, one hundred twenty-three thousand, one hundred three".