340310223 has 12 divisors (see below), whose sum is σ = 536246568. Its totient is φ = 206248560.

The previous prime is 340310207. The next prime is 340310237. The reversal of 340310223 is 322013043.

It is not a de Polignac number, because 340310223 - 2⁴ = 340310207 is a prime.

It is a super-2 number, since 2×340310223² = 231622095756619458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340310196 and 340310205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340310263) 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, 1718640 + ... + 1718837.

It is an arithmetic number, because the mean of its divisors is an integer number (44687214).

Almost surely, 2^340310223 is an apocalyptic number.

340310223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340310223 is a deficient number, since it is larger than the sum of its proper divisors (195936345).

340310223 is a wasteful number, since it uses less digits than its factorization.

340310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437494 (or 3437491 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 340310223 is about 18447.4990987939. The cubic root of 340310223 is about 698.1654157866.

Adding to 340310223 its reverse (322013043), we get a palindrome (662323266).

The spelling of 340310223 in words is "three hundred forty million, three hundred ten thousand, two hundred twenty-three".