34287823 has 2 divisors, whose sum is σ = 34287824. Its totient is φ = 34287822.

The previous prime is 34287821. The next prime is 34287833. The reversal of 34287823 is 32878243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34287823 - 2¹ = 34287821 is a prime.

Together with 34287821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34287821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17143911 + 17143912.

It is an arithmetic number, because the mean of its divisors is an integer number (17143912).

Almost surely, 2^34287823 is an apocalyptic number.

34287823 is a deficient number, since it is larger than the sum of its proper divisors (1).

34287823 is an equidigital number, since it uses as much as digits as its factorization.

34287823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 34287823 is about 5855.5805006848. The cubic root of 34287823 is about 324.8727643957.

The spelling of 34287823 in words is "thirty-four million, two hundred eighty-seven thousand, eight hundred twenty-three".