23120132689 has 2 divisors, whose sum is σ = 23120132690. Its totient is φ = 23120132688.

The previous prime is 23120132683. The next prime is 23120132701. The reversal of 23120132689 is 98623102132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22806134289 + 313998400 = 151017^2 + 17720^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120132689 - 2¹¹ = 23120130641 is a prime.

It is not a weakly prime, because it can be changed into another prime (23120132683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560066344 + 11560066345.

It is an arithmetic number, because the mean of its divisors is an integer number (11560066345).

Almost surely, 2^23120132689 is an apocalyptic number.

It is an amenable number.

23120132689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120132689 is an equidigital number, since it uses as much as digits as its factorization.

23120132689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 23120132689 in words is "twenty-three billion, one hundred twenty million, one hundred thirty-two thousand, six hundred eighty-nine".