23920837349 has 8 divisors (see below), whose sum is σ = 24623712960. Its totient is φ = 23224624416.

The previous prime is 23920837321. The next prime is 23920837351. The reversal of 23920837349 is 94373802932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23920837349 - 2²⁰ = 23919788773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23920837297 and 23920837306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23920807349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658384 + ... + 1672745.

It is an arithmetic number, because the mean of its divisors is an integer number (3077964120).

Almost surely, 2^23920837349 is an apocalyptic number.

It is an amenable number.

23920837349 is a deficient number, since it is larger than the sum of its proper divisors (702875611).

23920837349 is a wasteful number, since it uses less digits than its factorization.

23920837349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331339.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 23920837349 in words is "twenty-three billion, nine hundred twenty million, eight hundred thirty-seven thousand, three hundred forty-nine".