342523019 has 2 divisors, whose sum is σ = 342523020. Its totient is φ = 342523018.

The previous prime is 342523009. The next prime is 342523037. The reversal of 342523019 is 910325243.

It is a weak prime.

It is an emirp because it is prime and its reverse (910325243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342523019 - 2¹⁶ = 342457483 is a prime.

It is a super-2 number, since 2×342523019² = 234644037089748722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342522982 and 342523000.

It is not a weakly prime, because it can be changed into another prime (342523009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171261509 + 171261510.

It is an arithmetic number, because the mean of its divisors is an integer number (171261510).

Almost surely, 2^342523019 is an apocalyptic number.

342523019 is a deficient number, since it is larger than the sum of its proper divisors (1).

342523019 is an equidigital number, since it uses as much as digits as its factorization.

342523019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 342523019 is about 18507.3774209097. The cubic root of 342523019 is about 699.6753726055.

The spelling of 342523019 in words is "three hundred forty-two million, five hundred twenty-three thousand, nineteen".