23323121111 has 8 divisors (see below), whose sum is σ = 23445759744. Its totient is φ = 23200764160.

The previous prime is 23323121077. The next prime is 23323121119. The reversal of 23323121111 is 11112132332.

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 23323121111 - 2⁶ = 23323121047 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 (23323121119) 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, 96650 + ... + 236616.

It is an arithmetic number, because the mean of its divisors is an integer number (2930719968).

Almost surely, 2^23323121111 is an apocalyptic number.

23323121111 is a deficient number, since it is larger than the sum of its proper divisors (122638633).

23323121111 is a wasteful number, since it uses less digits than its factorization.

23323121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140841.

The product of its digits is 216, while the sum is 20.

Adding to 23323121111 its reverse (11112132332), we get a palindrome (34435253443).

The spelling of 23323121111 in words is "twenty-three billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred eleven".