23220123 has 8 divisors (see below), whose sum is σ = 31422528. Its totient is φ = 15248904.

The previous prime is 23220091. The next prime is 23220139. The reversal of 23220123 is 32102232.

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

It is not a de Polignac number, because 23220123 - 2⁵ = 23220091 is a prime.

It is a super-2 number, since 2×23220123² = 1078348224270258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23221123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57561 + ... + 57962.

It is an arithmetic number, because the mean of its divisors is an integer number (3927816).

Almost surely, 2^23220123 is an apocalyptic number.

23220123 is a deficient number, since it is larger than the sum of its proper divisors (8202405).

23220123 is a wasteful number, since it uses less digits than its factorization.

23220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115593.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23220123 is about 4818.7262839883. The cubic root of 23220123 is about 285.2910661339.

Adding to 23220123 its reverse (32102232), we get a palindrome (55322355).

The spelling of 23220123 in words is "twenty-three million, two hundred twenty thousand, one hundred twenty-three".