23894446238 has 32 divisors (see below), whose sum is σ = 40044564000. Its totient is φ = 10617296256.

The previous prime is 23894446229. The next prime is 23894446273. The reversal of 23894446238 is 83264449832.

It is a happy number.

It is a super-2 number, since 2×23894446238² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 23894446238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217745 + ... + 308547.

It is an arithmetic number, because the mean of its divisors is an integer number (1251392625).

Almost surely, 2^23894446238 is an apocalyptic number.

23894446238 is a deficient number, since it is larger than the sum of its proper divisors (16150117762).

23894446238 is a wasteful number, since it uses less digits than its factorization.

23894446238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91196.

The product of its digits is 7962624, while the sum is 53.

The spelling of 23894446238 in words is "twenty-three billion, eight hundred ninety-four million, four hundred forty-six thousand, two hundred thirty-eight".