340534023 has 8 divisors (see below), whose sum is σ = 454783728. Its totient is φ = 226653504.

The previous prime is 340534013. The next prime is 340534043. The reversal of 340534023 is 320435043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340534023 - 2¹⁰ = 340532999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340533984 and 340534002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340534013) 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 7 ways as a sum of consecutive naturals, for example, 90136 + ... + 93837.

It is an arithmetic number, because the mean of its divisors is an integer number (56847966).

Almost surely, 2^340534023 is an apocalyptic number.

340534023 is a deficient number, since it is larger than the sum of its proper divisors (114249705).

340534023 is a wasteful number, since it uses less digits than its factorization.

340534023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184593.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 340534023 is about 18453.5639647197. The cubic root of 340534023 is about 698.3184283129.

Adding to 340534023 its reverse (320435043), we get a palindrome (660969066).

The spelling of 340534023 in words is "three hundred forty million, five hundred thirty-four thousand, twenty-three".