23213323291 has 2 divisors, whose sum is σ = 23213323292. Its totient is φ = 23213323290.

The previous prime is 23213323277. The next prime is 23213323339. The reversal of 23213323291 is 19232331232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23213323291 - 2¹⁹ = 23212799003 is a prime.

It is not a weakly prime, because it can be changed into another prime (23213323201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606661645 + 11606661646.

It is an arithmetic number, because the mean of its divisors is an integer number (11606661646).

Almost surely, 2^23213323291 is an apocalyptic number.

23213323291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213323291 is an equidigital number, since it uses as much as digits as its factorization.

23213323291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The spelling of 23213323291 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty-three thousand, two hundred ninety-one".