2023122121 has 4 divisors (see below), whose sum is σ = 2025623700. Its totient is φ = 2020620544.

The previous prime is 2023122119. The next prime is 2023122131. The reversal of 2023122121 is 1212213202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1605124096 + 417998025 = 40064^2 + 20445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023122121 - 2¹ = 2023122119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023122095 and 2023122104.

It is not an unprimeable number, because it can be changed into a prime (2023122131) 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, 1249576 + ... + 1251193.

It is an arithmetic number, because the mean of its divisors is an integer number (506405925).

Almost surely, 2^2023122121 is an apocalyptic number.

It is an amenable number.

2023122121 is a deficient number, since it is larger than the sum of its proper divisors (2501579).

2023122121 is an equidigital number, since it uses as much as digits as its factorization.

2023122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501578.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2023122121 is about 44979.1298381816. The cubic root of 2023122121 is about 1264.7577993501.

Adding to 2023122121 its reverse (1212213202), we get a palindrome (3235335323).

The spelling of 2023122121 in words is "two billion, twenty-three million, one hundred twenty-two thousand, one hundred twenty-one".