83450723 has 4 divisors (see below), whose sum is σ = 83783448. Its totient is φ = 83118000.

The previous prime is 83450683. The next prime is 83450737. The reversal of 83450723 is 32705438.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32705438 = 2 ⋅16352719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83450723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83450723.

It is not an unprimeable number, because it can be changed into a prime (83450743) 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, 165986 + ... + 166487.

It is an arithmetic number, because the mean of its divisors is an integer number (20945862).

Almost surely, 2^83450723 is an apocalyptic number.

83450723 is a deficient number, since it is larger than the sum of its proper divisors (332725).

83450723 is a wasteful number, since it uses less digits than its factorization.

83450723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332724.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 83450723 is about 9135.1367258515. The cubic root of 83450723 is about 436.9952347767.

The spelling of 83450723 in words is "eighty-three million, four hundred fifty thousand, seven hundred twenty-three".