340120023 has 8 divisors (see below), whose sum is σ = 453804288. Its totient is φ = 226591224.

The previous prime is 340120013. The next prime is 340120057. The reversal of 340120023 is 320021043.

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

It is not a de Polignac number, because 340120023 - 2⁵ = 340119991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340119984 and 340120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340120013) 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, 33661 + ... + 42582.

It is an arithmetic number, because the mean of its divisors is an integer number (56725536).

Almost surely, 2^340120023 is an apocalyptic number.

340120023 is a deficient number, since it is larger than the sum of its proper divisors (113684265).

340120023 is a wasteful number, since it uses less digits than its factorization.

340120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77733.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 340120023 is about 18442.3432079549. The cubic root of 340120023 is about 698.0353229087.

Adding to 340120023 its reverse (320021043), we get a palindrome (660141066).

The spelling of 340120023 in words is "three hundred forty million, one hundred twenty thousand, twenty-three".