23220213123 has 8 divisors (see below), whose sum is σ = 31959003136. Its totient is φ = 14980782600.

The previous prime is 23220213097. The next prime is 23220213131. The reversal of 23220213123 is 32131202232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23220213123 - 2²⁰ = 23219164547 is a prime.

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 23220213123.

It is not an unprimeable number, because it can be changed into a prime (23220213143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124839763 + ... + 124839948.

It is an arithmetic number, because the mean of its divisors is an integer number (3994875392).

Almost surely, 2^23220213123 is an apocalyptic number.

23220213123 is a deficient number, since it is larger than the sum of its proper divisors (8738790013).

23220213123 is a wasteful number, since it uses less digits than its factorization.

23220213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249679745.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23220213123 its reverse (32131202232), we get a palindrome (55351415355).

The spelling of 23220213123 in words is "twenty-three billion, two hundred twenty million, two hundred thirteen thousand, one hundred twenty-three".