23896693189 has 2 divisors, whose sum is σ = 23896693190. Its totient is φ = 23896693188.

The previous prime is 23896693147. The next prime is 23896693213. The reversal of 23896693189 is 98139669832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15213248964 + 8683444225 = 123342^2 + 93185^2 .

It is a cyclic number.

It is not a de Polignac number, because 23896693189 - 2¹⁷ = 23896562117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23896693189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23896694189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11948346594 + 11948346595.

It is an arithmetic number, because the mean of its divisors is an integer number (11948346595).

Almost surely, 2^23896693189 is an apocalyptic number.

It is an amenable number.

23896693189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23896693189 is an equidigital number, since it uses as much as digits as its factorization.

23896693189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 64.

The spelling of 23896693189 in words is "twenty-three billion, eight hundred ninety-six million, six hundred ninety-three thousand, one hundred eighty-nine".