2523422243 has 4 divisors (see below), whose sum is σ = 2656233960. Its totient is φ = 2390610528.

The previous prime is 2523422233. The next prime is 2523422287. The reversal of 2523422243 is 3422243252.

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 2523422243 - 2⁸ = 2523421987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523422233) 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, 66405830 + ... + 66405867.

It is an arithmetic number, because the mean of its divisors is an integer number (664058490).

Almost surely, 2^2523422243 is an apocalyptic number.

2523422243 is a deficient number, since it is larger than the sum of its proper divisors (132811717).

2523422243 is a wasteful number, since it uses less digits than its factorization.

2523422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132811716.

The product of its digits is 23040, while the sum is 29.

The square root of 2523422243 is about 50233.6763834780. The cubic root of 2523422243 is about 1361.4341566257.

Adding to 2523422243 its reverse (3422243252), we get a palindrome (5945665495).

The spelling of 2523422243 in words is "two billion, five hundred twenty-three million, four hundred twenty-two thousand, two hundred forty-three".