346420423 has 2 divisors, whose sum is σ = 346420424. Its totient is φ = 346420422.

The previous prime is 346420397. The next prime is 346420429. The reversal of 346420423 is 324024643.

It is a strong prime.

It is an emirp because it is prime and its reverse (324024643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346420423 - 2¹⁷ = 346289351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346420391 and 346420400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346420429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173210211 + 173210212.

It is an arithmetic number, because the mean of its divisors is an integer number (173210212).

Almost surely, 2^346420423 is an apocalyptic number.

346420423 is a deficient number, since it is larger than the sum of its proper divisors (1).

346420423 is an equidigital number, since it uses as much as digits as its factorization.

346420423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 346420423 is about 18612.3728471144. The cubic root of 346420423 is about 702.3191265282.

The spelling of 346420423 in words is "three hundred forty-six million, four hundred twenty thousand, four hundred twenty-three".