23221313123 has 2 divisors, whose sum is σ = 23221313124. Its totient is φ = 23221313122.

The previous prime is 23221313119. The next prime is 23221313207. The reversal of 23221313123 is 32131312232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23221313123 - 2² = 23221313119 is a prime.

It is not a weakly prime, because it can be changed into another prime (23221313113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610656561 + 11610656562.

It is an arithmetic number, because the mean of its divisors is an integer number (11610656562).

Almost surely, 2^23221313123 is an apocalyptic number.

23221313123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221313123 is an equidigital number, since it uses as much as digits as its factorization.

23221313123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 23221313123 its reverse (32131312232), we get a palindrome (55352625355).

The spelling of 23221313123 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-three".