73891470223 has 2 divisors, whose sum is σ = 73891470224. Its totient is φ = 73891470222.

The previous prime is 73891470209. The next prime is 73891470239. The reversal of 73891470223 is 32207419837.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73891470223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73891470253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36945735111 + 36945735112.

It is an arithmetic number, because the mean of its divisors is an integer number (36945735112).

Almost surely, 2^73891470223 is an apocalyptic number.

73891470223 is a deficient number, since it is larger than the sum of its proper divisors (1).

73891470223 is an equidigital number, since it uses as much as digits as its factorization.

73891470223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 73891470223 in words is "seventy-three billion, eight hundred ninety-one million, four hundred seventy thousand, two hundred twenty-three".