346401823 has 2 divisors, whose sum is σ = 346401824. Its totient is φ = 346401822.

The previous prime is 346401793. The next prime is 346401871. The reversal of 346401823 is 328104643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346401823 - 2⁹ = 346401311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346401883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173200911 + 173200912.

It is an arithmetic number, because the mean of its divisors is an integer number (173200912).

Almost surely, 2^346401823 is an apocalyptic number.

346401823 is a deficient number, since it is larger than the sum of its proper divisors (1).

346401823 is an equidigital number, since it uses as much as digits as its factorization.

346401823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 346401823 is about 18611.8731727895. The cubic root of 346401823 is about 702.3065566673.

It can be divided in two parts, 34640 and 1823, that added together give a palindrome (36463).

The spelling of 346401823 in words is "three hundred forty-six million, four hundred one thousand, eight hundred twenty-three".