23693723933 has 4 divisors (see below), whose sum is σ = 25847698848. Its totient is φ = 21539749020.

The previous prime is 23693723903. The next prime is 23693723959. The reversal of 23693723933 is 33932739632.

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 23693723933 - 2¹² = 23693719837 is a prime.

It is a super-2 number, since 2×23693723933² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23693723903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076987441 + ... + 1076987462.

It is an arithmetic number, because the mean of its divisors is an integer number (6461924712).

Almost surely, 2^23693723933 is an apocalyptic number.

It is an amenable number.

23693723933 is a deficient number, since it is larger than the sum of its proper divisors (2153974915).

23693723933 is a wasteful number, since it uses less digits than its factorization.

23693723933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153974914.

The product of its digits is 3306744, while the sum is 50.

The spelling of 23693723933 in words is "twenty-three billion, six hundred ninety-three million, seven hundred twenty-three thousand, nine hundred thirty-three".