23120132489 has 2 divisors, whose sum is σ = 23120132490. Its totient is φ = 23120132488.

The previous prime is 23120132461. The next prime is 23120132551. The reversal of 23120132489 is 98423102132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20449000000 + 2671132489 = 143000^2 + 51683^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120132489 - 2¹⁶ = 23120066953 is a prime.

It is not a weakly prime, because it can be changed into another prime (23120132689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560066244 + 11560066245.

It is an arithmetic number, because the mean of its divisors is an integer number (11560066245).

Almost surely, 2^23120132489 is an apocalyptic number.

It is an amenable number.

23120132489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120132489 is an equidigital number, since it uses as much as digits as its factorization.

23120132489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 23120132489 in words is "twenty-three billion, one hundred twenty million, one hundred thirty-two thousand, four hundred eighty-nine".