73122823 has 2 divisors, whose sum is σ = 73122824. Its totient is φ = 73122822.

The previous prime is 73122821. The next prime is 73122827. The reversal of 73122823 is 32822137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73122823 - 2¹ = 73122821 is a prime.

Together with 73122821, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 73122791 and 73122800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73122821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36561411 + 36561412.

It is an arithmetic number, because the mean of its divisors is an integer number (36561412).

Almost surely, 2^73122823 is an apocalyptic number.

73122823 is a deficient number, since it is larger than the sum of its proper divisors (1).

73122823 is an equidigital number, since it uses as much as digits as its factorization.

73122823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 73122823 is about 8551.1883969423. The cubic root of 73122823 is about 418.1681805328.

The spelling of 73122823 in words is "seventy-three million, one hundred twenty-two thousand, eight hundred twenty-three".