23187161085 has 16 divisors (see below), whose sum is σ = 40472136000. Its totient is φ = 11242259840.

The previous prime is 23187161071. The next prime is 23187161089. The reversal of 23187161085 is 58016178132.

It is not a de Polignac number, because 23187161085 - 2⁶ = 23187161021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23187161089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70263960 + ... + 70264289.

It is an arithmetic number, because the mean of its divisors is an integer number (2529508500).

Almost surely, 2^23187161085 is an apocalyptic number.

It is an amenable number.

23187161085 is a deficient number, since it is larger than the sum of its proper divisors (17284974915).

23187161085 is a wasteful number, since it uses less digits than its factorization.

23187161085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140528268.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 23187161085 in words is "twenty-three billion, one hundred eighty-seven million, one hundred sixty-one thousand, eighty-five".