2102202023 has 4 divisors (see below), whose sum is σ = 2103464760. Its totient is φ = 2100939288.

The previous prime is 2102202007. The next prime is 2102202049. The reversal of 2102202023 is 3202022012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102202023 - 2⁴ = 2102202007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102201989 and 2102202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102202523) 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, 628868 + ... + 632201.

It is an arithmetic number, because the mean of its divisors is an integer number (525866190).

Almost surely, 2^2102202023 is an apocalyptic number.

2102202023 is a deficient number, since it is larger than the sum of its proper divisors (1262737).

2102202023 is a wasteful number, since it uses less digits than its factorization.

2102202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262736.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2102202023 is about 45849.7766952032. The cubic root of 2102202023 is about 1281.0266062142.

Adding to 2102202023 its reverse (3202022012), we get a palindrome (5304224035).

The spelling of 2102202023 in words is "two billion, one hundred two million, two hundred two thousand, twenty-three".