340223401 has 4 divisors (see below), whose sum is σ = 388826752. Its totient is φ = 291620052.

The previous prime is 340223369. The next prime is 340223417. The reversal of 340223401 is 104322043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340223401 - 2⁵ = 340223369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340223201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24301665 + ... + 24301678.

It is an arithmetic number, because the mean of its divisors is an integer number (97206688).

Almost surely, 2^340223401 is an apocalyptic number.

It is an amenable number.

340223401 is a deficient number, since it is larger than the sum of its proper divisors (48603351).

340223401 is an equidigital number, since it uses as much as digits as its factorization.

340223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48603350.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340223401 is about 18445.1457299746. The cubic root of 340223401 is about 698.1060373437.

Adding to 340223401 its reverse (104322043), we get a palindrome (444545444).

The spelling of 340223401 in words is "three hundred forty million, two hundred twenty-three thousand, four hundred one".