23161393611 has 14 divisors (see below), whose sum is σ = 34726205780. Its totient is φ = 15440928588.

The previous prime is 23161393559. The next prime is 23161393613. The reversal of 23161393611 is 11639316132.

It is a happy number.

23161393611 is a `hidden beast` number, since 2 + 3 + 1 + 6 + 1 + 39 + 3 + 611 = 666.

It is not a de Polignac number, because 23161393611 - 2¹⁹ = 23160869323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23161393613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15885001 + ... + 15886458.

It is an arithmetic number, because the mean of its divisors is an integer number (2480443270).

Almost surely, 2^23161393611 is an apocalyptic number.

23161393611 is a deficient number, since it is larger than the sum of its proper divisors (11564812169).

23161393611 is an frugal number, since it uses more digits than its factorization.

23161393611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31771477 (or 31771462 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The spelling of 23161393611 in words is "twenty-three billion, one hundred sixty-one million, three hundred ninety-three thousand, six hundred eleven".