43420000431 has 8 divisors (see below), whose sum is σ = 57894308784. Its totient is φ = 28946179520.

The previous prime is 43420000417. The next prime is 43420000433. The reversal of 43420000431 is 13400002434.

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 43420000431 - 2⁵ = 43420000399 is a prime.

It is a super-2 number, since 2×43420000431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43420000398 and 43420000407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420000433) 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, 236755 + ... + 378011.

It is an arithmetic number, because the mean of its divisors is an integer number (7236788598).

Almost surely, 2^43420000431 is an apocalyptic number.

43420000431 is a deficient number, since it is larger than the sum of its proper divisors (14474308353).

43420000431 is a wasteful number, since it uses less digits than its factorization.

43420000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243721.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 43420000431 its reverse (13400002434), we get a palindrome (56820002865).

The spelling of 43420000431 in words is "forty-three billion, four hundred twenty million, four hundred thirty-one", and thus it is an aban number.