43230403431 has 16 divisors (see below), whose sum is σ = 64214041600. Its totient is φ = 28744219224.

The previous prime is 43230403421. The next prime is 43230403451. The reversal of 43230403431 is 13430403234.

It is not a de Polignac number, because 43230403431 - 2⁷ = 43230403303 is a prime.

It is a super-2 number, since 2×43230403431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43230403395 and 43230403404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43230403421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102071 + ... + 2122536.

It is an arithmetic number, because the mean of its divisors is an integer number (4013377600).

Almost surely, 2^43230403431 is an apocalyptic number.

43230403431 is a deficient number, since it is larger than the sum of its proper divisors (20983638169).

43230403431 is a wasteful number, since it uses less digits than its factorization.

43230403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224995 (or 4224989 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43230403431 its reverse (13430403234), we get a palindrome (56660806665).

The spelling of 43230403431 in words is "forty-three billion, two hundred thirty million, four hundred three thousand, four hundred thirty-one".