73323623 has 2 divisors, whose sum is σ = 73323624. Its totient is φ = 73323622.

The previous prime is 73323589. The next prime is 73323631. The reversal of 73323623 is 32632337.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73323623 - 2¹² = 73319527 is a prime.

It is a super-2 number, since 2×73323623² = 10752707379692258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73323923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36661811 + 36661812.

It is an arithmetic number, because the mean of its divisors is an integer number (36661812).

Almost surely, 2^73323623 is an apocalyptic number.

73323623 is a deficient number, since it is larger than the sum of its proper divisors (1).

73323623 is an equidigital number, since it uses as much as digits as its factorization.

73323623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 29.

The square root of 73323623 is about 8562.9214056886. The cubic root of 73323623 is about 418.5506029812.

The spelling of 73323623 in words is "seventy-three million, three hundred twenty-three thousand, six hundred twenty-three".