23113220311 has 16 divisors (see below), whose sum is σ = 23811948160. Its totient is φ = 22425361920.

The previous prime is 23113220309. The next prime is 23113220327. The reversal of 23113220311 is 11302231132.

It is a cyclic number.

It is not a de Polignac number, because 23113220311 - 2¹ = 23113220309 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 (23113221311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8157151 + ... + 8159983.

It is an arithmetic number, because the mean of its divisors is an integer number (1488246760).

Almost surely, 2^23113220311 is an apocalyptic number.

23113220311 is a deficient number, since it is larger than the sum of its proper divisors (698727849).

23113220311 is a wasteful number, since it uses less digits than its factorization.

23113220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23113220311 its reverse (11302231132), we get a palindrome (34415451443).

The spelling of 23113220311 in words is "twenty-three billion, one hundred thirteen million, two hundred twenty thousand, three hundred eleven".