23031200020291 has 2 divisors, whose sum is σ = 23031200020292. Its totient is φ = 23031200020290.

The previous prime is 23031200020273. The next prime is 23031200020307. The reversal of 23031200020291 is 19202000213032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23031200020291 - 2¹³ = 23031200012099 is a prime.

It is not a weakly prime, because it can be changed into another prime (23031200020201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515600010145 + 11515600010146.

It is an arithmetic number, because the mean of its divisors is an integer number (11515600010146).

Almost surely, 2^{23031200020291} is an apocalyptic number.

23031200020291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031200020291 is an equidigital number, since it uses as much as digits as its factorization.

23031200020291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 23031200020291 in words is "twenty-three trillion, thirty-one billion, two hundred million, twenty thousand, two hundred ninety-one".