23943633135 has 12 divisors (see below), whose sum is σ = 38310771912. Its totient is φ = 12769618048.

The previous prime is 23943633113. The next prime is 23943633137. The reversal of 23943633135 is 53133634932.

It is a happy number.

It is not a de Polignac number, because 23943633135 - 2¹¹ = 23943631087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23943633137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579319 + ... + 619271.

It is an arithmetic number, because the mean of its divisors is an integer number (3192564326).

Almost surely, 2^23943633135 is an apocalyptic number.

23943633135 is a deficient number, since it is larger than the sum of its proper divisors (14367138777).

23943633135 is an frugal number, since it uses more digits than its factorization.

23943633135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79914 (or 39961 counting only the distinct ones).

The product of its digits is 524880, while the sum is 42.

The spelling of 23943633135 in words is "twenty-three billion, nine hundred forty-three million, six hundred thirty-three thousand, one hundred thirty-five".