23311345103 has 4 divisors (see below), whose sum is σ = 23339739768. Its totient is φ = 23282950440.

The previous prime is 23311345067. The next prime is 23311345159. The reversal of 23311345103 is 30154311332.

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

It is a cyclic number.

It is not a de Polignac number, because 23311345103 - 2²⁴ = 23294567887 is a prime.

It is a super-2 number, since 2×23311345103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311345903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14196101 + ... + 14197742.

It is an arithmetic number, because the mean of its divisors is an integer number (5834934942).

Almost surely, 2^23311345103 is an apocalyptic number.

23311345103 is a deficient number, since it is larger than the sum of its proper divisors (28394665).

23311345103 is an equidigital number, since it uses as much as digits as its factorization.

23311345103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394664.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 23311345103 its reverse (30154311332), we get a palindrome (53465656435).

The spelling of 23311345103 in words is "twenty-three billion, three hundred eleven million, three hundred forty-five thousand, one hundred three".