23618181012 has 24 divisors (see below), whose sum is σ = 55148520000. Its totient is φ = 7867094016.

The previous prime is 23618180981. The next prime is 23618181019. The reversal of 23618181012 is 21018181632.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23618181019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686637 + ... + 720212.

It is an arithmetic number, because the mean of its divisors is an integer number (2297855000).

Almost surely, 2^23618181012 is an apocalyptic number.

It is an amenable number.

23618181012 is an abundant number, since it is smaller than the sum of its proper divisors (31530338988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23618181012 is a wasteful number, since it uses less digits than its factorization.

23618181012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408255 (or 1408253 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 23618181012 in words is "twenty-three billion, six hundred eighteen million, one hundred eighty-one thousand, twelve".