23453213291 has 2 divisors, whose sum is σ = 23453213292. Its totient is φ = 23453213290.

The previous prime is 23453213281. The next prime is 23453213341. The reversal of 23453213291 is 19231235432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23453213291 - 2⁶ = 23453213227 is a prime.

It is not a weakly prime, because it can be changed into another prime (23453213261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726606645 + 11726606646.

It is an arithmetic number, because the mean of its divisors is an integer number (11726606646).

Almost surely, 2^23453213291 is an apocalyptic number.

23453213291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453213291 is an equidigital number, since it uses as much as digits as its factorization.

23453213291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The spelling of 23453213291 in words is "twenty-three billion, four hundred fifty-three million, two hundred thirteen thousand, two hundred ninety-one".