2100423433 has 2 divisors, whose sum is σ = 2100423434. Its totient is φ = 2100423432.

The previous prime is 2100423421. The next prime is 2100423449. The reversal of 2100423433 is 3343240012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2065884304 + 34539129 = 45452^2 + 5877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100423433 - 2¹³ = 2100415241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100423473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050211716 + 1050211717.

It is an arithmetic number, because the mean of its divisors is an integer number (1050211717).

Almost surely, 2^2100423433 is an apocalyptic number.

It is an amenable number.

2100423433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100423433 is an equidigital number, since it uses as much as digits as its factorization.

2100423433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2100423433 is about 45830.3767494879. The cubic root of 2100423433 is about 1280.6652289616.

Adding to 2100423433 its reverse (3343240012), we get a palindrome (5443663445).

The spelling of 2100423433 in words is "two billion, one hundred million, four hundred twenty-three thousand, four hundred thirty-three".