73623147233 has 2 divisors, whose sum is σ = 73623147234. Its totient is φ = 73623147232.

The previous prime is 73623147229. The next prime is 73623147281. The reversal of 73623147233 is 33274132637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49583264929 + 24039882304 = 222673^2 + 155048^2 .

It is a cyclic number.

It is not a de Polignac number, because 73623147233 - 2² = 73623147229 is a prime.

It is not a weakly prime, because it can be changed into another prime (73623147733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36811573616 + 36811573617.

It is an arithmetic number, because the mean of its divisors is an integer number (36811573617).

Almost surely, 2^73623147233 is an apocalyptic number.

It is an amenable number.

73623147233 is a deficient number, since it is larger than the sum of its proper divisors (1).

73623147233 is an equidigital number, since it uses as much as digits as its factorization.

73623147233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 41.

The spelling of 73623147233 in words is "seventy-three billion, six hundred twenty-three million, one hundred forty-seven thousand, two hundred thirty-three".