720432570623 has 4 divisors (see below), whose sum is σ = 758350074360. Its totient is φ = 682515066888.

The previous prime is 720432570617. The next prime is 720432570629. The reversal of 720432570623 is 326075234027.

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

It is an interprime number because it is at equal distance from previous prime (720432570617) and next prime (720432570629).

It is a cyclic number.

It is not a de Polignac number, because 720432570623 - 2¹² = 720432566527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720432570629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18958751840 + ... + 18958751877.

It is an arithmetic number, because the mean of its divisors is an integer number (189587518590).

Almost surely, 2^720432570623 is an apocalyptic number.

720432570623 is a deficient number, since it is larger than the sum of its proper divisors (37917503737).

720432570623 is a wasteful number, since it uses less digits than its factorization.

720432570623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37917503736.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 720432570623 in words is "seven hundred twenty billion, four hundred thirty-two million, five hundred seventy thousand, six hundred twenty-three".