2142343403 has 2 divisors, whose sum is σ = 2142343404. Its totient is φ = 2142343402.

The previous prime is 2142343387. The next prime is 2142343429. The reversal of 2142343403 is 3043432412.

It is an a-pointer prime, because the next prime (2142343429) can be obtained adding 2142343403 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142343403 - 2⁴ = 2142343387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142343433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071171701 + 1071171702.

It is an arithmetic number, because the mean of its divisors is an integer number (1071171702).

Almost surely, 2^2142343403 is an apocalyptic number.

2142343403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142343403 is an equidigital number, since it uses as much as digits as its factorization.

2142343403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2142343403 is about 46285.4556313320. The cubic root of 2142343403 is about 1289.1289520656.

Adding to 2142343403 its reverse (3043432412), we get a palindrome (5185775815).

The spelling of 2142343403 in words is "two billion, one hundred forty-two million, three hundred forty-three thousand, four hundred three".