23011231233 has 4 divisors (see below), whose sum is σ = 30681641648. Its totient is φ = 15340820820.

The previous prime is 23011231231. The next prime is 23011231237. The reversal of 23011231233 is 33213211032.

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 not a de Polignac number, because 23011231233 - 2¹ = 23011231231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23011231231) 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, 3835205203 + ... + 3835205208.

It is an arithmetic number, because the mean of its divisors is an integer number (7670410412).

Almost surely, 2^23011231233 is an apocalyptic number.

It is an amenable number.

23011231233 is a deficient number, since it is larger than the sum of its proper divisors (7670410415).

23011231233 is an equidigital number, since it uses as much as digits as its factorization.

23011231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670410414.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23011231233 its reverse (33213211032), we get a palindrome (56224442265).

The spelling of 23011231233 in words is "twenty-three billion, eleven million, two hundred thirty-one thousand, two hundred thirty-three".