23163494986 has 8 divisors (see below), whose sum is σ = 35314836804. Its totient is φ = 11391882720.

The previous prime is 23163494983. The next prime is 23163494987. The reversal of 23163494986 is 68949436132.

It can be written as a sum of positive squares in 2 ways, for example, as 15758031961 + 7405463025 = 125531^2 + 86055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23163494983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94932235 + ... + 94932478.

Almost surely, 2^23163494986 is an apocalyptic number.

23163494986 is a deficient number, since it is larger than the sum of its proper divisors (12151341818).

23163494986 is a wasteful number, since it uses less digits than its factorization.

23163494986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189864776.

The product of its digits is 6718464, while the sum is 55.

The spelling of 23163494986 in words is "twenty-three billion, one hundred sixty-three million, four hundred ninety-four thousand, nine hundred eighty-six".