23033265661 has 8 divisors (see below), whose sum is σ = 26327787200. Its totient is φ = 19739757888.

The previous prime is 23033265653. The next prime is 23033265667. The reversal of 23033265661 is 16656233032.

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 23033265661 - 2³ = 23033265653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23033265661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23033265667) 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, 204111 + ... + 296188.

It is an arithmetic number, because the mean of its divisors is an integer number (3290973400).

Almost surely, 2^23033265661 is an apocalyptic number.

It is an amenable number.

23033265661 is a deficient number, since it is larger than the sum of its proper divisors (3294521539).

23033265661 is an equidigital number, since it uses as much as digits as its factorization.

23033265661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506883.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 23033265661 its reverse (16656233032), we get a palindrome (39689498693).

The spelling of 23033265661 in words is "twenty-three billion, thirty-three million, two hundred sixty-five thousand, six hundred sixty-one".