720013212212323 has 16 divisors (see below), whose sum is σ = 771626503238976. Its totient is φ = 670092404572800.

The previous prime is 720013212212251. The next prime is 720013212212347. The reversal of 720013212212323 is 323212212310027.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 720013212212323 - 2²⁵ = 720013178657891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720013212212423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304929465 + ... + 307281637.

It is an arithmetic number, because the mean of its divisors is an integer number (48226656452436).

Almost surely, 2^{720013212212323} is an apocalyptic number.

720013212212323 is a deficient number, since it is larger than the sum of its proper divisors (51613291026653).

720013212212323 is a wasteful number, since it uses less digits than its factorization.

720013212212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711934.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 720013212212323 in words is "seven hundred twenty trillion, thirteen billion, two hundred twelve million, two hundred twelve thousand, three hundred twenty-three".