23123303111 has 2 divisors, whose sum is σ = 23123303112. Its totient is φ = 23123303110.

The previous prime is 23123303101. The next prime is 23123303171. The reversal of 23123303111 is 11130332132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23123303111 - 2¹⁴ = 23123286727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23123303101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561651555 + 11561651556.

It is an arithmetic number, because the mean of its divisors is an integer number (11561651556).

Almost surely, 2^23123303111 is an apocalyptic number.

23123303111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23123303111 is an equidigital number, since it uses as much as digits as its factorization.

23123303111 is an evil number, because the sum of its binary digits is even.

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

Adding to 23123303111 its reverse (11130332132), we get a palindrome (34253635243).

The spelling of 23123303111 in words is "twenty-three billion, one hundred twenty-three million, three hundred three thousand, one hundred eleven".