342021313423 has 2 divisors, whose sum is σ = 342021313424. Its totient is φ = 342021313422.

The previous prime is 342021313409. The next prime is 342021313429. The reversal of 342021313423 is 324313120243.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342021313423 - 2⁹ = 342021312911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342021313391 and 342021313400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342021313429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171010656711 + 171010656712.

It is an arithmetic number, because the mean of its divisors is an integer number (171010656712).

Almost surely, 2^342021313423 is an apocalyptic number.

342021313423 is a deficient number, since it is larger than the sum of its proper divisors (1).

342021313423 is an equidigital number, since it uses as much as digits as its factorization.

342021313423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 342021313423 its reverse (324313120243), we get a palindrome (666334433666).

The spelling of 342021313423 in words is "three hundred forty-two billion, twenty-one million, three hundred thirteen thousand, four hundred twenty-three".