2101302023 has 4 divisors (see below), whose sum is σ = 2104846128. Its totient is φ = 2097757920.

The previous prime is 2101302019. The next prime is 2101302037. The reversal of 2101302023 is 3202031012.

It is a happy number.

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 2101302023 - 2² = 2101302019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101301989 and 2101302007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101302043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771163 + ... + 1772348.

It is an arithmetic number, because the mean of its divisors is an integer number (526211532).

Almost surely, 2^2101302023 is an apocalyptic number.

2101302023 is a deficient number, since it is larger than the sum of its proper divisors (3544105).

2101302023 is an equidigital number, since it uses as much as digits as its factorization.

2101302023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544104.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2101302023 is about 45839.9609838403. The cubic root of 2101302023 is about 1280.8437680120.

Adding to 2101302023 its reverse (3202031012), we get a palindrome (5303333035).

The spelling of 2101302023 in words is "two billion, one hundred one million, three hundred two thousand, twenty-three".