23100000233 has 4 divisors (see below), whose sum is σ = 23535849348. Its totient is φ = 22664151120.

The previous prime is 23100000229. The next prime is 23100000239. The reversal of 23100000233 is 33200000132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16282525609 + 6817474624 = 127603^2 + 82568^2 .

It is a cyclic number.

It is not a de Polignac number, because 23100000233 - 2² = 23100000229 is a prime.

It is a super-2 number, since 2×23100000233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23100000239) 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, 217924478 + ... + 217924583.

It is an arithmetic number, because the mean of its divisors is an integer number (5883962337).

Almost surely, 2^23100000233 is an apocalyptic number.

It is an amenable number.

23100000233 is a deficient number, since it is larger than the sum of its proper divisors (435849115).

23100000233 is an equidigital number, since it uses as much as digits as its factorization.

23100000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435849114.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23100000233 its reverse (33200000132), we get a palindrome (56300000365).

The spelling of 23100000233 in words is "twenty-three billion, one hundred million, two hundred thirty-three", and thus it is an aban number.