2102023213 has 2 divisors, whose sum is σ = 2102023214. Its totient is φ = 2102023212.

The previous prime is 2102023207. The next prime is 2102023237. The reversal of 2102023213 is 3123202012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1806080004 + 295943209 = 42498^2 + 17203^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102023213 - 2¹³ = 2102015021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102023283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051011606 + 1051011607.

It is an arithmetic number, because the mean of its divisors is an integer number (1051011607).

Almost surely, 2^2102023213 is an apocalyptic number.

It is an amenable number.

2102023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102023213 is an equidigital number, since it uses as much as digits as its factorization.

2102023213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102023213 is about 45847.8266987651. The cubic root of 2102023213 is about 1280.9902844811.

Adding to 2102023213 its reverse (3123202012), we get a palindrome (5225225225).

The spelling of 2102023213 in words is "two billion, one hundred two million, twenty-three thousand, two hundred thirteen".