23102220133 has 4 divisors (see below), whose sum is σ = 23107265568. Its totient is φ = 23097174700.

The previous prime is 23102219999. The next prime is 23102220161. The reversal of 23102220133 is 33102220132.

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 a de Polignac number, because none of the positive numbers 2^k-23102220133 is a prime.

It is a super-3 number, since 3×23102220133³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23102220133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102220733) 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, 2515843 + ... + 2525008.

It is an arithmetic number, because the mean of its divisors is an integer number (5776816392).

Almost surely, 2^23102220133 is an apocalyptic number.

It is an amenable number.

23102220133 is a deficient number, since it is larger than the sum of its proper divisors (5045435).

23102220133 is an equidigital number, since it uses as much as digits as its factorization.

23102220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045434.

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

Adding to 23102220133 its reverse (33102220132), we get a palindrome (56204440265).

Subtracting 23102220133 from its reverse (33102220132), we obtain a palindrome (9999999999).

The spelling of 23102220133 in words is "twenty-three billion, one hundred two million, two hundred twenty thousand, one hundred thirty-three".