346801223 has 4 divisors (see below), whose sum is σ = 348738840. Its totient is φ = 344863608.

The previous prime is 346801211. The next prime is 346801229. The reversal of 346801223 is 322108643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322108643 = 37 ⋅8705639.

It is a cyclic number.

It is not a de Polignac number, because 346801223 - 2¹⁴ = 346784839 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 (346801229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968540 + ... + 968897.

It is an arithmetic number, because the mean of its divisors is an integer number (87184710).

Almost surely, 2^346801223 is an apocalyptic number.

346801223 is a deficient number, since it is larger than the sum of its proper divisors (1937617).

346801223 is a wasteful number, since it uses less digits than its factorization.

346801223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937616.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 346801223 is about 18622.5997916510. The cubic root of 346801223 is about 702.5763719353.

Adding to 346801223 its reverse (322108643), we get a palindrome (668909866).

The spelling of 346801223 in words is "three hundred forty-six million, eight hundred one thousand, two hundred twenty-three".