23303432431 has 8 divisors (see below), whose sum is σ = 24784873344. Its totient is φ = 21834286080.

The previous prime is 23303432423. The next prime is 23303432447. The reversal of 23303432431 is 13423430332.

It is a happy number.

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 23303432431 - 2³ = 23303432423 is a prime.

It is a super-2 number, since 2×23303432431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23303432431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303492431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069730 + ... + 3077311.

It is an arithmetic number, because the mean of its divisors is an integer number (3098109168).

Almost surely, 2^23303432431 is an apocalyptic number.

23303432431 is a deficient number, since it is larger than the sum of its proper divisors (1481440913).

23303432431 is a wasteful number, since it uses less digits than its factorization.

23303432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147281.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23303432431 its reverse (13423430332), we get a palindrome (36726862763).

The spelling of 23303432431 in words is "twenty-three billion, three hundred three million, four hundred thirty-two thousand, four hundred thirty-one".