23138253093 has 4 divisors (see below), whose sum is σ = 30851004128. Its totient is φ = 15425502060.

The previous prime is 23138253049. The next prime is 23138253133. The reversal of 23138253093 is 39035283132.

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 not a de Polignac number, because 23138253093 - 2⁹ = 23138252581 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 (23138253293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856375513 + ... + 3856375518.

It is an arithmetic number, because the mean of its divisors is an integer number (7712751032).

Almost surely, 2^23138253093 is an apocalyptic number.

It is an amenable number.

23138253093 is a deficient number, since it is larger than the sum of its proper divisors (7712751035).

23138253093 is an equidigital number, since it uses as much as digits as its factorization.

23138253093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712751034.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 23138253093 in words is "twenty-three billion, one hundred thirty-eight million, two hundred fifty-three thousand, ninety-three".