23011302223 has 32 divisors (see below), whose sum is σ = 29631974400. Its totient is φ = 17368598016.

The previous prime is 23011302217. The next prime is 23011302229. The reversal of 23011302223 is 32220311032.

It is an interprime number because it is at equal distance from previous prime (23011302217) and next prime (23011302229).

It is a de Polignac number, because none of the positive numbers 2^k-23011302223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23011302223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011302229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778743 + ... + 807751.

It is an arithmetic number, because the mean of its divisors is an integer number (925999200).

Almost surely, 2^23011302223 is an apocalyptic number.

23011302223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23011302223 is a deficient number, since it is larger than the sum of its proper divisors (6620672177).

23011302223 is a wasteful number, since it uses less digits than its factorization.

23011302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29431.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23011302223 its reverse (32220311032), we get a palindrome (55231613255).

The spelling of 23011302223 in words is "twenty-three billion, eleven million, three hundred two thousand, two hundred twenty-three".