23303323261 has 4 divisors (see below), whose sum is σ = 23305546624. Its totient is φ = 23301099900.

The previous prime is 23303323249. The next prime is 23303323289. The reversal of 23303323261 is 16232330332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23303323261 - 2⁵ = 23303323229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303323361) 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, 1095885 + ... + 1116946.

It is an arithmetic number, because the mean of its divisors is an integer number (5826386656).

Almost surely, 2^23303323261 is an apocalyptic number.

It is an amenable number.

23303323261 is a deficient number, since it is larger than the sum of its proper divisors (2223363).

23303323261 is a wasteful number, since it uses less digits than its factorization.

23303323261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223362.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 23303323261 its reverse (16232330332), we get a palindrome (39535653593).

The spelling of 23303323261 in words is "twenty-three billion, three hundred three million, three hundred twenty-three thousand, two hundred sixty-one".