2142204523 has 2 divisors, whose sum is σ = 2142204524. Its totient is φ = 2142204522.

The previous prime is 2142204511. The next prime is 2142204529. The reversal of 2142204523 is 3254022412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142204523 - 2²¹ = 2140107371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142204529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071102261 + 1071102262.

It is an arithmetic number, because the mean of its divisors is an integer number (1071102262).

Almost surely, 2^2142204523 is an apocalyptic number.

2142204523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142204523 is an equidigital number, since it uses as much as digits as its factorization.

2142204523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2142204523 is about 46283.9553517199. The cubic root of 2142204523 is about 1289.1010950162.

Adding to 2142204523 its reverse (3254022412), we get a palindrome (5396226935).

The spelling of 2142204523 in words is "two billion, one hundred forty-two million, two hundred four thousand, five hundred twenty-three".