2102144023 has 4 divisors (see below), whose sum is σ = 2402450320. Its totient is φ = 1801837728.

The previous prime is 2102144017. The next prime is 2102144081. The reversal of 2102144023 is 3204412012.

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 2102144023 - 2¹³ = 2102135831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102144123) 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, 150153138 + ... + 150153151.

It is an arithmetic number, because the mean of its divisors is an integer number (600612580).

Almost surely, 2^2102144023 is an apocalyptic number.

2102144023 is a deficient number, since it is larger than the sum of its proper divisors (300306297).

2102144023 is an equidigital number, since it uses as much as digits as its factorization.

2102144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300306296.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2102144023 is about 45849.1441904863. The cubic root of 2102144023 is about 1281.0148248812.

Adding to 2102144023 its reverse (3204412012), we get a palindrome (5306556035).

The spelling of 2102144023 in words is "two billion, one hundred two million, one hundred forty-four thousand, twenty-three".