23642274017 has 8 divisors (see below), whose sum is σ = 25037308296. Its totient is φ = 22247718912.

The previous prime is 23642274013. The next prime is 23642274037. The reversal of 23642274017 is 71047224632.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 757845841 + 22884428176 = 27529^2 + 151276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23642274017 - 2² = 23642274013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23642274013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15608 + ... + 218009.

It is an arithmetic number, because the mean of its divisors is an integer number (3129663537).

Almost surely, 2^23642274017 is an apocalyptic number.

It is an amenable number.

23642274017 is a deficient number, since it is larger than the sum of its proper divisors (1395034279).

23642274017 is a wasteful number, since it uses less digits than its factorization.

23642274017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239587.

The product of its (nonzero) digits is 112896, while the sum is 38.

Adding to 23642274017 its reverse (71047224632), we get a palindrome (94689498649).

The spelling of 23642274017 in words is "twenty-three billion, six hundred forty-two million, two hundred seventy-four thousand, seventeen".