2023102021 has 8 divisors (see below), whose sum is σ = 2096846840. Its totient is φ = 1950360768.

The previous prime is 2023102019. The next prime is 2023102033. The reversal of 2023102021 is 1202013202.

It can be written as a sum of positive squares in 4 ways, for example, as 974313796 + 1048788225 = 31214^2 + 32385^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2023102021 - 2¹ = 2023102019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023101992 and 2023102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023102091) 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, 246786 + ... + 254851.

It is an arithmetic number, because the mean of its divisors is an integer number (262105855).

Almost surely, 2^2023102021 is an apocalyptic number.

It is an amenable number.

2023102021 is a deficient number, since it is larger than the sum of its proper divisors (73744819).

2023102021 is a wasteful number, since it uses less digits than its factorization.

2023102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501783.

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

The square root of 2023102021 is about 44978.9064006674. The cubic root of 2023102021 is about 1264.7536108213.

Adding to 2023102021 its reverse (1202013202), we get a palindrome (3225115223).

The spelling of 2023102021 in words is "two billion, twenty-three million, one hundred two thousand, twenty-one".