23886902287993 has 2 divisors, whose sum is σ = 23886902287994. Its totient is φ = 23886902287992.

The previous prime is 23886902287979. The next prime is 23886902288009. The reversal of 23886902287993 is 39978220968832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23508175281529 + 378727006464 = 4848523^2 + 615408^2 .

It is a cyclic number.

It is not a de Polignac number, because 23886902287993 - 2⁹ = 23886902287481 is a prime.

It is a super-2 number, since 2×23886902287993² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23886902287933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943451143996 + 11943451143997.

It is an arithmetic number, because the mean of its divisors is an integer number (11943451143997).

Almost surely, 2^{23886902287993} is an apocalyptic number.

It is an amenable number.

23886902287993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23886902287993 is an equidigital number, since it uses as much as digits as its factorization.

23886902287993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128701952, while the sum is 76.

The spelling of 23886902287993 in words is "twenty-three trillion, eight hundred eighty-six billion, nine hundred two million, two hundred eighty-seven thousand, nine hundred ninety-three".