2142045023 has 2 divisors, whose sum is σ = 2142045024. Its totient is φ = 2142045022.

The previous prime is 2142045019. The next prime is 2142045029. The reversal of 2142045023 is 3205402412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142045023 - 2² = 2142045019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2142045023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142045029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071022511 + 1071022512.

It is an arithmetic number, because the mean of its divisors is an integer number (1071022512).

Almost surely, 2^2142045023 is an apocalyptic number.

2142045023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142045023 is an equidigital number, since it uses as much as digits as its factorization.

2142045023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2142045023 is about 46282.2322603394. The cubic root of 2142045023 is about 1289.0691004478.

Adding to 2142045023 its reverse (3205402412), we get a palindrome (5347447435).

The spelling of 2142045023 in words is "two billion, one hundred forty-two million, forty-five thousand, twenty-three".