23110402123 has 8 divisors (see below), whose sum is σ = 24805042128. Its totient is φ = 21453007104.

The previous prime is 23110402121. The next prime is 23110402199. The reversal of 23110402123 is 32120401132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23110402123 - 2¹ = 23110402121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23110402123.

It is not an unprimeable number, because it can be changed into a prime (23110402121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9309961 + ... + 9312442.

It is an arithmetic number, because the mean of its divisors is an integer number (3100630266).

Almost surely, 2^23110402123 is an apocalyptic number.

23110402123 is a deficient number, since it is larger than the sum of its proper divisors (1694640005).

23110402123 is a wasteful number, since it uses less digits than its factorization.

23110402123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18622493.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23110402123 its reverse (32120401132), we get a palindrome (55230803255).

Subtracting 23110402123 from its reverse (32120401132), we obtain a palindrome (9009999009).

The spelling of 23110402123 in words is "twenty-three billion, one hundred ten million, four hundred two thousand, one hundred twenty-three".