23146013218 has 16 divisors (see below), whose sum is σ = 36605992320. Its totient is φ = 10946004336.

The previous prime is 23146013201. The next prime is 23146013239. The reversal of 23146013218 is 81231064132.

It is a self number, because there is not a number n which added to its sum of digits gives 23146013218.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473530 + ... + 520117.

It is an arithmetic number, because the mean of its divisors is an integer number (2287874520).

Almost surely, 2^23146013218 is an apocalyptic number.

23146013218 is a deficient number, since it is larger than the sum of its proper divisors (13459979102).

23146013218 is a wasteful number, since it uses less digits than its factorization.

23146013218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994281.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 23146013218 in words is "twenty-three billion, one hundred forty-six million, thirteen thousand, two hundred eighteen".