340231023 has 20 divisors (see below), whose sum is σ = 554452008. Its totient is φ = 206200080.

The previous prime is 340230941. The next prime is 340231033. The reversal of 340231023 is 320132043.

It is not a de Polignac number, because 340231023 - 2⁸ = 340230767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340230987 and 340231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340231033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 190036 + ... + 191817.

Almost surely, 2^340231023 is an apocalyptic number.

340231023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340231023 is a deficient number, since it is larger than the sum of its proper divisors (214220985).

340231023 is a wasteful number, since it uses less digits than its factorization.

340231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381876 (or 381867 counting only the distinct ones).

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

The square root of 340231023 is about 18445.3523414436. The cubic root of 340231023 is about 698.1112505110. Note that the first 3 decimals are identical.

Adding to 340231023 its reverse (320132043), we get a palindrome (660363066).

The spelling of 340231023 in words is "three hundred forty million, two hundred thirty-one thousand, twenty-three".