82633423 has 4 divisors (see below), whose sum is σ = 83053080. Its totient is φ = 82213768.

The previous prime is 82633403. The next prime is 82633483. The reversal of 82633423 is 32433628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82633423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82633403) 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, 209533 + ... + 209926.

It is an arithmetic number, because the mean of its divisors is an integer number (20763270).

Almost surely, 2^82633423 is an apocalyptic number.

82633423 is a deficient number, since it is larger than the sum of its proper divisors (419657).

82633423 is a wasteful number, since it uses less digits than its factorization.

82633423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419656.

The product of its digits is 20736, while the sum is 31.

The square root of 82633423 is about 9090.2927895640. The cubic root of 82633423 is about 435.5639367569.

The spelling of 82633423 in words is "eighty-two million, six hundred thirty-three thousand, four hundred twenty-three".