23065923893 has 2 divisors, whose sum is σ = 23065923894. Its totient is φ = 23065923892.

The previous prime is 23065923889. The next prime is 23065923977. The reversal of 23065923893 is 39832956032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18122005924 + 4943917969 = 134618^2 + 70313^2 .

It is a cyclic number.

It is not a de Polignac number, because 23065923893 - 2² = 23065923889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23065923863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11532961946 + 11532961947.

It is an arithmetic number, because the mean of its divisors is an integer number (11532961947).

Almost surely, 2^23065923893 is an apocalyptic number.

It is an amenable number.

23065923893 is a deficient number, since it is larger than the sum of its proper divisors (1).

23065923893 is an equidigital number, since it uses as much as digits as its factorization.

23065923893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 23065923893 in words is "twenty-three billion, sixty-five million, nine hundred twenty-three thousand, eight hundred ninety-three".