2023121 has 2 divisors, whose sum is σ = 2023122. Its totient is φ = 2023120.

The previous prime is 2023117. The next prime is 2023141. The reversal of 2023121 is 1213202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 132496 = 1375^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023121 - 2² = 2023117 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2023141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011560 + 1011561.

It is an arithmetic number, because the mean of its divisors is an integer number (1011561).

2^2023121 is an apocalyptic number.

It is an amenable number.

2023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023121 is an equidigital number, since it uses as much as digits as its factorization.

2023121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2023121 is about 1422.3645805489. The cubic root of 2023121 is about 126.4757565752.

Adding to 2023121 its reverse (1213202), we get a palindrome (3236323).

The spelling of 2023121 in words is "two million, twenty-three thousand, one hundred twenty-one".