34920823 has 4 divisors (see below), whose sum is σ = 39909520. Its totient is φ = 29932128.

The previous prime is 34920817. The next prime is 34920833. The reversal of 34920823 is 32802943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32802943 = 4231 ⋅7753.

It is a cyclic number.

It is not a de Polignac number, because 34920823 - 2⁹ = 34920311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34920833) 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, 2494338 + ... + 2494351.

It is an arithmetic number, because the mean of its divisors is an integer number (9977380).

Almost surely, 2^34920823 is an apocalyptic number.

34920823 is a deficient number, since it is larger than the sum of its proper divisors (4988697).

34920823 is an equidigital number, since it uses as much as digits as its factorization.

34920823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988696.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 34920823 is about 5909.3843164919. The cubic root of 34920823 is about 326.8597845796.

The spelling of 34920823 in words is "thirty-four million, nine hundred twenty thousand, eight hundred twenty-three".