23001140689 has 2 divisors, whose sum is σ = 23001140690. Its totient is φ = 23001140688.

The previous prime is 23001140683. The next prime is 23001140699. The reversal of 23001140689 is 98604110032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17222100289 + 5779040400 = 131233^2 + 76020^2 .

It is a cyclic number.

It is not a de Polignac number, because 23001140689 - 2²⁷ = 22866922961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23001140683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500570344 + 11500570345.

It is an arithmetic number, because the mean of its divisors is an integer number (11500570345).

Almost surely, 2^23001140689 is an apocalyptic number.

It is an amenable number.

23001140689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001140689 is an equidigital number, since it uses as much as digits as its factorization.

23001140689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 23001140689 in words is "twenty-three billion, one million, one hundred forty thousand, six hundred eighty-nine".