4320431623761 has 32 divisors (see below), whose sum is σ = 6561092247552. Its totient is φ = 2503223352960.

The previous prime is 4320431623759. The next prime is 4320431623777. The reversal of 4320431623761 is 1673261340234.

It is a happy number.

It is not a de Polignac number, because 4320431623761 - 2¹ = 4320431623759 is a prime.

It is a super-3 number, since 3×4320431623761³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4320431623061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177580 + ... + 2944893.

It is an arithmetic number, because the mean of its divisors is an integer number (205034132736).

Almost surely, 2^{4320431623761} is an apocalyptic number.

It is an amenable number.

4320431623761 is a deficient number, since it is larger than the sum of its proper divisors (2240660623791).

4320431623761 is a wasteful number, since it uses less digits than its factorization.

4320431623761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124333.

The product of its (nonzero) digits is 435456, while the sum is 42.

Adding to 4320431623761 its reverse (1673261340234), we get a palindrome (5993692963995).

The spelling of 4320431623761 in words is "four trillion, three hundred twenty billion, four hundred thirty-one million, six hundred twenty-three thousand, seven hundred sixty-one".