342143903 has 2 divisors, whose sum is σ = 342143904. Its totient is φ = 342143902.

The previous prime is 342143899. The next prime is 342143917. The reversal of 342143903 is 309341243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342143903 - 2² = 342143899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342143933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171071951 + 171071952.

It is an arithmetic number, because the mean of its divisors is an integer number (171071952).

Almost surely, 2^342143903 is an apocalyptic number.

342143903 is a deficient number, since it is larger than the sum of its proper divisors (1).

342143903 is an equidigital number, since it uses as much as digits as its factorization.

342143903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 342143903 is about 18497.1322912499. The cubic root of 342143903 is about 699.4171358938.

The spelling of 342143903 in words is "three hundred forty-two million, one hundred forty-three thousand, nine hundred three".