34321403 has 2 divisors, whose sum is σ = 34321404. Its totient is φ = 34321402.

The previous prime is 34321381. The next prime is 34321457. The reversal of 34321403 is 30412343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34321403 - 2²² = 30127099 is a prime.

It is not a weakly prime, because it can be changed into another prime (34321003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17160701 + 17160702.

It is an arithmetic number, because the mean of its divisors is an integer number (17160702).

Almost surely, 2^34321403 is an apocalyptic number.

34321403 is a deficient number, since it is larger than the sum of its proper divisors (1).

34321403 is an equidigital number, since it uses as much as digits as its factorization.

34321403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34321403 is about 5858.4471492026. The cubic root of 34321403 is about 324.9787852030.

Adding to 34321403 its reverse (30412343), we get a palindrome (64733746).

The spelling of 34321403 in words is "thirty-four million, three hundred twenty-one thousand, four hundred three".