72982423 has 2 divisors, whose sum is σ = 72982424. Its totient is φ = 72982422.

The previous prime is 72982421. The next prime is 72982451. The reversal of 72982423 is 32428927.

It is a weak prime.

It is an emirp because it is prime and its reverse (32428927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72982423 - 2¹ = 72982421 is a prime.

Together with 72982421, 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 (72982421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36491211 + 36491212.

It is an arithmetic number, because the mean of its divisors is an integer number (36491212).

Almost surely, 2^72982423 is an apocalyptic number.

72982423 is a deficient number, since it is larger than the sum of its proper divisors (1).

72982423 is an equidigital number, since it uses as much as digits as its factorization.

72982423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 72982423 is about 8542.9750672702. The cubic root of 72982423 is about 417.9003734547.

The spelling of 72982423 in words is "seventy-two million, nine hundred eighty-two thousand, four hundred twenty-three".