23172161459 has 2 divisors, whose sum is σ = 23172161460. Its totient is φ = 23172161458.

The previous prime is 23172161443. The next prime is 23172161461. The reversal of 23172161459 is 95416127132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23172161459 - 2⁴ = 23172161443 is a prime.

Together with 23172161461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23172164459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586080729 + 11586080730.

It is an arithmetic number, because the mean of its divisors is an integer number (11586080730).

Almost surely, 2^23172161459 is an apocalyptic number.

23172161459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23172161459 is an equidigital number, since it uses as much as digits as its factorization.

23172161459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The spelling of 23172161459 in words is "twenty-three billion, one hundred seventy-two million, one hundred sixty-one thousand, four hundred fifty-nine".