2023123220 has 24 divisors (see below), whose sum is σ = 4258388904. Its totient is φ = 807376896.

The previous prime is 2023123189. The next prime is 2023123231. The reversal of 2023123220 is 223213202.

It can be written as a sum of positive squares in 4 ways, for example, as 15007876 + 2008115344 = 3874^2 + 44812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108149 + ... + 125468.

It is an arithmetic number, because the mean of its divisors is an integer number (177432871).

Almost surely, 2^2023123220 is an apocalyptic number.

2023123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023123220 is an abundant number, since it is smaller than the sum of its proper divisors (2235265684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023123220 is a wasteful number, since it uses less digits than its factorization.

2023123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234059 (or 234057 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2023123220 is about 44979.1420549570. The cubic root of 2023123220 is about 1264.7580283639.

Adding to 2023123220 its reverse (223213202), we get a palindrome (2246336422).

The spelling of 2023123220 in words is "two billion, twenty-three million, one hundred twenty-three thousand, two hundred twenty".