23939145346 has 16 divisors (see below), whose sum is σ = 36678049920. Its totient is φ = 11713202640.

The previous prime is 23939145343. The next prime is 23939145353. The reversal of 23939145346 is 64354193932.

It is a self number, because there is not a number n which added to its sum of digits gives 23939145346.

It is not an unprimeable number, because it can be changed into a prime (23939145343) 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, 849145 + ... + 876883.

It is an arithmetic number, because the mean of its divisors is an integer number (2292378120).

Almost surely, 2^23939145346 is an apocalyptic number.

23939145346 is a deficient number, since it is larger than the sum of its proper divisors (12738904574).

23939145346 is a wasteful number, since it uses less digits than its factorization.

23939145346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36969.

The product of its digits is 2099520, while the sum is 49.

The spelling of 23939145346 in words is "twenty-three billion, nine hundred thirty-nine million, one hundred forty-five thousand, three hundred forty-six".