2023020121 has 4 divisors (see below), whose sum is σ = 2031854500. Its totient is φ = 2014185744.

The previous prime is 2023020119. The next prime is 2023020137. The reversal of 2023020121 is 1210203202.

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 1630544400 + 392475721 = 40380^2 + 19811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023020121 - 2¹ = 2023020119 is a prime.

It is a super-2 number, since 2×2023020121² = 8185220819941709282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023020161) 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, 4416846 + ... + 4417303.

It is an arithmetic number, because the mean of its divisors is an integer number (507963625).

Almost surely, 2^2023020121 is an apocalyptic number.

It is an amenable number.

2023020121 is a deficient number, since it is larger than the sum of its proper divisors (8834379).

2023020121 is an equidigital number, since it uses as much as digits as its factorization.

2023020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834378.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2023020121 is about 44977.9959646937. The cubic root of 2023020121 is about 1264.7365438424.

Adding to 2023020121 its reverse (1210203202), we get a palindrome (3233223323).

The spelling of 2023020121 in words is "two billion, twenty-three million, twenty thousand, one hundred twenty-one".