23681306398133 has 4 divisors (see below), whose sum is σ = 24185163981120. Its totient is φ = 23177448815148.

The previous prime is 23681306398093. The next prime is 23681306398181. The reversal of 23681306398133 is 33189360318632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23681306398133 - 2⁶ = 23681306398069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23681306398733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251928791423 + ... + 251928791516.

It is an arithmetic number, because the mean of its divisors is an integer number (6046290995280).

Almost surely, 2^{23681306398133} is an apocalyptic number.

It is an amenable number.

23681306398133 is a deficient number, since it is larger than the sum of its proper divisors (503857582987).

23681306398133 is an equidigital number, since it uses as much as digits as its factorization.

23681306398133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503857582986.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 23681306398133 in words is "twenty-three trillion, six hundred eighty-one billion, three hundred six million, three hundred ninety-eight thousand, one hundred thirty-three".