345436223 has 8 divisors (see below), whose sum is σ = 376988880. Its totient is φ = 313908480.

The previous prime is 345436213. The next prime is 345436249. The reversal of 345436223 is 322634543.

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 345436223 - 2¹² = 345432127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345436223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345436213) 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, 34223 + ... + 43151.

It is an arithmetic number, because the mean of its divisors is an integer number (47123610).

Almost surely, 2^345436223 is an apocalyptic number.

345436223 is a deficient number, since it is larger than the sum of its proper divisors (31552657).

345436223 is a wasteful number, since it uses less digits than its factorization.

345436223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457.

The product of its digits is 51840, while the sum is 32.

The square root of 345436223 is about 18585.9146398556. The cubic root of 345436223 is about 701.6533862174.

The spelling of 345436223 in words is "three hundred forty-five million, four hundred thirty-six thousand, two hundred twenty-three".