730287681423 has 4 divisors (see below), whose sum is σ = 973716908568. Its totient is φ = 486858454280.

The previous prime is 730287681407. The next prime is 730287681427. The reversal of 730287681423 is 324186782037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 730287681423 - 2⁴ = 730287681407 is a prime.

It is a super-2 number, since 2×730287681423² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730287681427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121714613568 + ... + 121714613573.

It is an arithmetic number, because the mean of its divisors is an integer number (243429227142).

Almost surely, 2^730287681423 is an apocalyptic number.

730287681423 is a deficient number, since it is larger than the sum of its proper divisors (243429227145).

730287681423 is a wasteful number, since it uses less digits than its factorization.

730287681423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243429227144.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 730287681423 in words is "seven hundred thirty billion, two hundred eighty-seven million, six hundred eighty-one thousand, four hundred twenty-three".