346031223 has 16 divisors (see below), whose sum is σ = 477799776. Its totient is φ = 222618240.

The previous prime is 346031221. The next prime is 346031227. The reversal of 346031223 is 322130643.

It is not a de Polignac number, because 346031223 - 2¹ = 346031221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346031193 and 346031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8140 + ... + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (29862486).

Almost surely, 2^346031223 is an apocalyptic number.

346031223 is a deficient number, since it is larger than the sum of its proper divisors (131768553).

346031223 is a wasteful number, since it uses less digits than its factorization.

346031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35794.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 346031223 is about 18601.9144982445. The cubic root of 346031223 is about 702.0560117157.

Adding to 346031223 its reverse (322130643), we get a palindrome (668161866).

The spelling of 346031223 in words is "three hundred forty-six million, thirty-one thousand, two hundred twenty-three".