23810297609 has 12 divisors (see below), whose sum is σ = 28446281604. Its totient is φ = 19857235104.

The previous prime is 23810297591. The next prime is 23810297611. The reversal of 23810297609 is 90679201832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21929167225 + 1881130384 = 148085^2 + 43372^2 .

It is not a de Polignac number, because 23810297609 - 2⁸ = 23810297353 is a prime.

It is a super-2 number, since 2×23810297609² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23810297629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6564734 + ... + 6568359.

It is an arithmetic number, because the mean of its divisors is an integer number (2370523467).

Almost surely, 2^23810297609 is an apocalyptic number.

It is an amenable number.

23810297609 is a deficient number, since it is larger than the sum of its proper divisors (4635983995).

23810297609 is a wasteful number, since it uses less digits than its factorization.

23810297609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133144 (or 13133137 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 23810297609 in words is "twenty-three billion, eight hundred ten million, two hundred ninety-seven thousand, six hundred nine".