23220222123 has 32 divisors (see below), whose sum is σ = 37474804224. Its totient is φ = 12484772352.

The previous prime is 23220222071. The next prime is 23220222131. The reversal of 23220222123 is 32122202232.

It is not a de Polignac number, because 23220222123 - 2⁶ = 23220222059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23220222123.

It is not an unprimeable number, because it can be changed into a prime (23220222323) 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, 1831161 + ... + 1843797.

It is an arithmetic number, because the mean of its divisors is an integer number (1171087632).

Almost surely, 2^23220222123 is an apocalyptic number.

23220222123 is a deficient number, since it is larger than the sum of its proper divisors (14254582101).

23220222123 is a wasteful number, since it uses less digits than its factorization.

23220222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17811.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23220222123 its reverse (32122202232), we get a palindrome (55342424355).

The spelling of 23220222123 in words is "twenty-three billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty-three".