346401423 has 12 divisors (see below), whose sum is σ = 500607640. Its totient is φ = 230818896.

The previous prime is 346401389. The next prime is 346401431. The reversal of 346401423 is 324104643.

346401423 is a `hidden beast` number, since 3 + 4 + 640 + 14 + 2 + 3 = 666.

It is not a de Polignac number, because 346401423 - 2⁶ = 346401359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346401823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11940 + ... + 28902.

Almost surely, 2^346401423 is an apocalyptic number.

346401423 is a deficient number, since it is larger than the sum of its proper divisors (154206217).

346401423 is a wasteful number, since it uses less digits than its factorization.

346401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19238 (or 19235 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 346401423 is about 18611.8624269577. The cubic root of 346401423 is about 702.3062863428.

It can be divided in two parts, 34640 and 1423, that added together give a palindrome (36063).

The spelling of 346401423 in words is "three hundred forty-six million, four hundred one thousand, four hundred twenty-three".