342420231222623 has 2 divisors, whose sum is σ = 342420231222624. Its totient is φ = 342420231222622.

The previous prime is 342420231222607. The next prime is 342420231222637. The reversal of 342420231222623 is 326222132024243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342420231222623 - 2⁴ = 342420231222607 is a prime.

It is a super-2 number, since 2×342420231222623² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342420231225623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171210115611311 + 171210115611312.

It is an arithmetic number, because the mean of its divisors is an integer number (171210115611312).

Almost surely, 2^{342420231222623} is an apocalyptic number.

342420231222623 is a deficient number, since it is larger than the sum of its proper divisors (1).

342420231222623 is an equidigital number, since it uses as much as digits as its factorization.

342420231222623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 342420231222623 its reverse (326222132024243), we get a palindrome (668642363246866).

The spelling of 342420231222623 in words is "three hundred forty-two trillion, four hundred twenty billion, two hundred thirty-one million, two hundred twenty-two thousand, six hundred twenty-three".