23009161959 has 24 divisors (see below), whose sum is σ = 38113045152. Its totient is φ = 13103208000.

The previous prime is 23009161957. The next prime is 23009161963. The reversal of 23009161959 is 95916190032.

It is a happy number.

23009161959 is a `hidden beast` number, since 23 + 0 + 0 + 9 + 1 + 619 + 5 + 9 = 666.

It is not a de Polignac number, because 23009161959 - 2¹ = 23009161957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23009161951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 604792 + ... + 641709.

It is an arithmetic number, because the mean of its divisors is an integer number (1588043548).

Almost surely, 2^23009161959 is an apocalyptic number.

23009161959 is a deficient number, since it is larger than the sum of its proper divisors (15103883193).

23009161959 is a wasteful number, since it uses less digits than its factorization.

23009161959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246807 (or 1246804 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 23009161959 in words is "twenty-three billion, nine million, one hundred sixty-one thousand, nine hundred fifty-nine".