23023311011 has 4 divisors (see below), whose sum is σ = 23584855224. Its totient is φ = 22461766800.

The previous prime is 23023310977. The next prime is 23023311067. The reversal of 23023311011 is 11011332032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23023311011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23023311071) 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, 280772045 + ... + 280772126.

It is an arithmetic number, because the mean of its divisors is an integer number (5896213806).

Almost surely, 2^23023311011 is an apocalyptic number.

23023311011 is a deficient number, since it is larger than the sum of its proper divisors (561544213).

23023311011 is an equidigital number, since it uses as much as digits as its factorization.

23023311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561544212.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23023311011 its reverse (11011332032), we get a palindrome (34034643043).

The spelling of 23023311011 in words is "twenty-three billion, twenty-three million, three hundred eleven thousand, eleven".