23385743609 has 16 divisors (see below), whose sum is σ = 26394566400. Its totient is φ = 20587716864.

The previous prime is 23385743599. The next prime is 23385743639. The reversal of 23385743609 is 90634758332.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23385743609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23385743639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432722 + ... + 483755.

It is an arithmetic number, because the mean of its divisors is an integer number (1649660400).

Almost surely, 2^23385743609 is an apocalyptic number.

It is an amenable number.

23385743609 is a deficient number, since it is larger than the sum of its proper divisors (3008822791).

23385743609 is a wasteful number, since it uses less digits than its factorization.

23385743609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916592.

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

The spelling of 23385743609 in words is "twenty-three billion, three hundred eighty-five million, seven hundred forty-three thousand, six hundred nine".