23730627909 has 4 divisors (see below), whose sum is σ = 31640837216. Its totient is φ = 15820418604.

The previous prime is 23730627901. The next prime is 23730627929. The reversal of 23730627909 is 90972603732.

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 23730627909 - 2³ = 23730627901 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 (23730627901) 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, 3955104649 + ... + 3955104654.

It is an arithmetic number, because the mean of its divisors is an integer number (7910209304).

Almost surely, 2^23730627909 is an apocalyptic number.

It is an amenable number.

23730627909 is a deficient number, since it is larger than the sum of its proper divisors (7910209307).

23730627909 is an equidigital number, since it uses as much as digits as its factorization.

23730627909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910209306.

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 23730627909 in words is "twenty-three billion, seven hundred thirty million, six hundred twenty-seven thousand, nine hundred nine".