2142043523 has 2 divisors, whose sum is σ = 2142043524. Its totient is φ = 2142043522.

The previous prime is 2142043511. The next prime is 2142043529. The reversal of 2142043523 is 3253402412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142043523 - 2⁴ = 2142043507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142043492 and 2142043501.

It is not a weakly prime, because it can be changed into another prime (2142043529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071021761 + 1071021762.

It is an arithmetic number, because the mean of its divisors is an integer number (1071021762).

Almost surely, 2^2142043523 is an apocalyptic number.

2142043523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142043523 is an equidigital number, since it uses as much as digits as its factorization.

2142043523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2142043523 is about 46282.2160554138. The cubic root of 2142043523 is about 1289.0687995509.

Adding to 2142043523 its reverse (3253402412), we get a palindrome (5395445935).

The spelling of 2142043523 in words is "two billion, one hundred forty-two million, forty-three thousand, five hundred twenty-three".