23943897334 has 48 divisors (see below), whose sum is σ = 42476851440. Its totient is φ = 10090967040.

The previous prime is 23943897331. The next prime is 23943897359. The reversal of 23943897334 is 43379834932.

It is a super-2 number, since 2×23943897334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23943897331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4205962 + ... + 4211650.

It is an arithmetic number, because the mean of its divisors is an integer number (884934405).

Almost surely, 2^23943897334 is an apocalyptic number.

23943897334 is a deficient number, since it is larger than the sum of its proper divisors (18532954106).

23943897334 is a wasteful number, since it uses less digits than its factorization.

23943897334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413 (or 6406 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 55.

The spelling of 23943897334 in words is "twenty-three billion, nine hundred forty-three million, eight hundred ninety-seven thousand, three hundred thirty-four".