23839053549 has 4 divisors (see below), whose sum is σ = 31785404736. Its totient is φ = 15892702364.

The previous prime is 23839053527. The next prime is 23839053569. The reversal of 23839053549 is 94535093832.

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 23839053549 - 2⁷ = 23839053421 is a prime.

It is a super-2 number, since 2×23839053549² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23839053569) 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, 3973175589 + ... + 3973175594.

It is an arithmetic number, because the mean of its divisors is an integer number (7946351184).

Almost surely, 2^23839053549 is an apocalyptic number.

It is an amenable number.

23839053549 is a deficient number, since it is larger than the sum of its proper divisors (7946351187).

23839053549 is an equidigital number, since it uses as much as digits as its factorization.

23839053549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946351186.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 23839053549 in words is "twenty-three billion, eight hundred thirty-nine million, fifty-three thousand, five hundred forty-nine".