23102267009 has 4 divisors (see below), whose sum is σ = 23110051140. Its totient is φ = 23094482880.

The previous prime is 23102266963. The next prime is 23102267021. The reversal of 23102267009 is 90076220132.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 347449600 + 22754817409 = 18640^2 + 150847^2 .

It is a cyclic number.

It is not a de Polignac number, because 23102267009 - 2⁸ = 23102266753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102267809) 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, 3887612 + ... + 3893549.

It is an arithmetic number, because the mean of its divisors is an integer number (5777512785).

Almost surely, 2^23102267009 is an apocalyptic number.

It is an amenable number.

23102267009 is a deficient number, since it is larger than the sum of its proper divisors (7784131).

23102267009 is an equidigital number, since it uses as much as digits as its factorization.

23102267009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784130.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 23102267009 in words is "twenty-three billion, one hundred two million, two hundred sixty-seven thousand, nine".