346408823 has 2 divisors, whose sum is σ = 346408824. Its totient is φ = 346408822.

The previous prime is 346408801. The next prime is 346408831. The reversal of 346408823 is 328804643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346408823 - 2¹⁰ = 346407799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346408523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173204411 + 173204412.

It is an arithmetic number, because the mean of its divisors is an integer number (173204412).

Almost surely, 2^346408823 is an apocalyptic number.

346408823 is a deficient number, since it is larger than the sum of its proper divisors (1).

346408823 is an equidigital number, since it uses as much as digits as its factorization.

346408823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 346408823 is about 18612.0612238408. The cubic root of 346408823 is about 702.3112873129.

The spelling of 346408823 in words is "three hundred forty-six million, four hundred eight thousand, eight hundred twenty-three".