720413423 has 8 divisors (see below), whose sum is σ = 735557760. Its totient is φ = 705367000.

The previous prime is 720413341. The next prime is 720413431. The reversal of 720413423 is 324314027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720413423 - 2¹⁴ = 720397039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720413392 and 720413401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720418423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9515 + ... + 39132.

It is an arithmetic number, because the mean of its divisors is an integer number (91944720).

Almost surely, 2^720413423 is an apocalyptic number.

720413423 is a deficient number, since it is larger than the sum of its proper divisors (15144337).

720413423 is a wasteful number, since it uses less digits than its factorization.

720413423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48957.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 720413423 is about 26840.5183072161. The cubic root of 720413423 is about 896.4524642465.

The spelling of 720413423 in words is "seven hundred twenty million, four hundred thirteen thousand, four hundred twenty-three".