2101423303 has 4 divisors (see below), whose sum is σ = 2401626640. Its totient is φ = 1801219968.

The previous prime is 2101423279. The next prime is 2101423327. The reversal of 2101423303 is 3033241012.

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

It is an interprime number because it is at equal distance from previous prime (2101423279) and next prime (2101423327).

It is a cyclic number.

It is not a de Polignac number, because 2101423303 - 2²⁵ = 2067868871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101423393) 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, 150101658 + ... + 150101671.

It is an arithmetic number, because the mean of its divisors is an integer number (600406660).

Almost surely, 2^2101423303 is an apocalyptic number.

2101423303 is a deficient number, since it is larger than the sum of its proper divisors (300203337).

2101423303 is an equidigital number, since it uses as much as digits as its factorization.

2101423303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300203336.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2101423303 is about 45841.2838280081. The cubic root of 2101423303 is about 1280.8684095187.

Adding to 2101423303 its reverse (3033241012), we get a palindrome (5134664315).

The spelling of 2101423303 in words is "two billion, one hundred one million, four hundred twenty-three thousand, three hundred three".