23985306743 has 4 divisors (see below), whose sum is σ = 24024181440. Its totient is φ = 23946432048.

The previous prime is 23985306739. The next prime is 23985306809. The reversal of 23985306743 is 34760358932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23985306743 - 2² = 23985306739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23985306691 and 23985306700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985306343) 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, 19436423 + ... + 19437656.

It is an arithmetic number, because the mean of its divisors is an integer number (6006045360).

Almost surely, 2^23985306743 is an apocalyptic number.

23985306743 is a deficient number, since it is larger than the sum of its proper divisors (38874697).

23985306743 is an equidigital number, since it uses as much as digits as its factorization.

23985306743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38874696.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 23985306743 in words is "twenty-three billion, nine hundred eighty-five million, three hundred six thousand, seven hundred forty-three".