23472170489 has 2 divisors, whose sum is σ = 23472170490. Its totient is φ = 23472170488.

The previous prime is 23472170443. The next prime is 23472170531. The reversal of 23472170489 is 98407127432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23378410000 + 93760489 = 152900^2 + 9683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23472170489 is a prime.

It is not a weakly prime, because it can be changed into another prime (23472170989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736085244 + 11736085245.

It is an arithmetic number, because the mean of its divisors is an integer number (11736085245).

Almost surely, 2^23472170489 is an apocalyptic number.

It is an amenable number.

23472170489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23472170489 is an equidigital number, since it uses as much as digits as its factorization.

23472170489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 23472170489 in words is "twenty-three billion, four hundred seventy-two million, one hundred seventy thousand, four hundred eighty-nine".