23233121291 has 2 divisors, whose sum is σ = 23233121292. Its totient is φ = 23233121290.

The previous prime is 23233121273. The next prime is 23233121339. The reversal of 23233121291 is 19212133232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23233121291 - 2¹⁸ = 23232859147 is a prime.

It is not a weakly prime, because it can be changed into another prime (23233126291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616560645 + 11616560646.

It is an arithmetic number, because the mean of its divisors is an integer number (11616560646).

Almost surely, 2^23233121291 is an apocalyptic number.

23233121291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23233121291 is an equidigital number, since it uses as much as digits as its factorization.

23233121291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The spelling of 23233121291 in words is "twenty-three billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred ninety-one".