346405423 has 8 divisors (see below), whose sum is σ = 426345248. Its totient is φ = 274078944.

The previous prime is 346405421. The next prime is 346405429. The reversal of 346405423 is 324504643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 346405423 - 2¹ = 346405421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346405421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903236 + ... + 1903417.

It is an arithmetic number, because the mean of its divisors is an integer number (53293156).

Almost surely, 2^346405423 is an apocalyptic number.

346405423 is a deficient number, since it is larger than the sum of its proper divisors (79939825).

346405423 is a wasteful number, since it uses less digits than its factorization.

346405423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806673.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 346405423 is about 18611.9698849961. The cubic root of 346405423 is about 702.3089895787.

It can be divided in two parts, 346 and 405423, that added together give a square (405769 = 637²).

The spelling of 346405423 in words is "three hundred forty-six million, four hundred five thousand, four hundred twenty-three".