23938666538811 has 32 divisors (see below), whose sum is σ = 33725875599360. Its totient is φ = 15078939195264.

The previous prime is 23938666538807. The next prime is 23938666538867. The reversal of 23938666538811 is 11883566683932.

It is not a de Polignac number, because 23938666538811 - 2² = 23938666538807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23938666138811) 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, 30579466 + ... + 31352528.

It is an arithmetic number, because the mean of its divisors is an integer number (1053933612480).

Almost surely, 2^{23938666538811} is an apocalyptic number.

23938666538811 is a deficient number, since it is larger than the sum of its proper divisors (9787209060549).

23938666538811 is a wasteful number, since it uses less digits than its factorization.

23938666538811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780715.

The product of its digits is 268738560, while the sum is 69.

The spelling of 23938666538811 in words is "twenty-three trillion, nine hundred thirty-eight billion, six hundred sixty-six million, five hundred thirty-eight thousand, eight hundred eleven".