34999823 has 4 divisors (see below), whose sum is σ = 35081088. Its totient is φ = 34918560.

The previous prime is 34999799. The next prime is 34999847. The reversal of 34999823 is 32899943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32899943 = 2549 ⋅12907.

It is an interprime number because it is at equal distance from previous prime (34999799) and next prime (34999847).

It is a cyclic number.

It is not a de Polignac number, because 34999823 - 2¹⁶ = 34934287 is a prime.

It is a super-2 number, since 2×34999823² = 2449975220062658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34999423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39983 + ... + 40848.

It is an arithmetic number, because the mean of its divisors is an integer number (8770272).

Almost surely, 2^34999823 is an apocalyptic number.

34999823 is a deficient number, since it is larger than the sum of its proper divisors (81265).

34999823 is an equidigital number, since it uses as much as digits as its factorization.

34999823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81264.

The product of its digits is 419904, while the sum is 47.

The square root of 34999823 is about 5916.0648238504. The cubic root of 34999823 is about 327.1060796096.

The spelling of 34999823 in words is "thirty-four million, nine hundred ninety-nine thousand, eight hundred twenty-three".