23243401983 has 4 divisors (see below), whose sum is σ = 30991202648. Its totient is φ = 15495601320.

The previous prime is 23243401969. The next prime is 23243402023. The reversal of 23243401983 is 38910434232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23243401983 - 2²¹ = 23241304831 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 (23243401183) 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, 3873900328 + ... + 3873900333.

It is an arithmetic number, because the mean of its divisors is an integer number (7747800662).

Almost surely, 2^23243401983 is an apocalyptic number.

23243401983 is a deficient number, since it is larger than the sum of its proper divisors (7747800665).

23243401983 is an equidigital number, since it uses as much as digits as its factorization.

23243401983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747800664.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 23243401983 in words is "twenty-three billion, two hundred forty-three million, four hundred one thousand, nine hundred eighty-three".