2190209023 has 2 divisors, whose sum is σ = 2190209024. Its totient is φ = 2190209022.

The previous prime is 2190209011. The next prime is 2190209041. The reversal of 2190209023 is 3209020912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2190209023 - 2¹⁷ = 2190077951 is a prime.

It is a super-2 number, since 2×2190209023² = 9594031128861229058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2190208982 and 2190209000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190209003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095104511 + 1095104512.

It is an arithmetic number, because the mean of its divisors is an integer number (1095104512).

Almost surely, 2^2190209023 is an apocalyptic number.

2190209023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190209023 is an equidigital number, since it uses as much as digits as its factorization.

2190209023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2190209023 is about 46799.6690479751. The cubic root of 2190209023 is about 1298.6591743468.

Adding to 2190209023 its reverse (3209020912), we get a palindrome (5399229935).

The spelling of 2190209023 in words is "two billion, one hundred ninety million, two hundred nine thousand, twenty-three".