73556023 has 2 divisors, whose sum is σ = 73556024. Its totient is φ = 73556022.

The previous prime is 73555981. The next prime is 73556033. The reversal of 73556023 is 32065537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73556023 - 2⁹ = 73555511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73556033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36778011 + 36778012.

It is an arithmetic number, because the mean of its divisors is an integer number (36778012).

Almost surely, 2^73556023 is an apocalyptic number.

73556023 is a deficient number, since it is larger than the sum of its proper divisors (1).

73556023 is an equidigital number, since it uses as much as digits as its factorization.

73556023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 73556023 is about 8576.4808050855. The cubic root of 73556023 is about 418.9923368064.

The spelling of 73556023 in words is "seventy-three million, five hundred fifty-six thousand, twenty-three".