23854497018 has 64 divisors (see below), whose sum is σ = 52477286400. Its totient is φ = 7168973760.

The previous prime is 23854497013. The next prime is 23854497049. The reversal of 23854497018 is 81079445832.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23854497013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5010123 + ... + 5014881.

It is an arithmetic number, because the mean of its divisors is an integer number (819957600).

Almost surely, 2^23854497018 is an apocalyptic number.

23854497018 is an abundant number, since it is smaller than the sum of its proper divisors (28622789382).

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

23854497018 is a wasteful number, since it uses less digits than its factorization.

23854497018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 23854497018 in words is "twenty-three billion, eight hundred fifty-four million, four hundred ninety-seven thousand, eighteen".