43423452435451 has 32 divisors (see below), whose sum is σ = 49674497342976. Its totient is φ = 37925723959200.

The previous prime is 43423452435427. The next prime is 43423452435479. The reversal of 43423452435451 is 15453425432434.

It is not a de Polignac number, because 43423452435451 - 2²⁷ = 43423318217723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43423452435395 and 43423452435404.

It is not an unprimeable number, because it can be changed into a prime (43423452435421) 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, 2727751 + ... + 9710176.

It is an arithmetic number, because the mean of its divisors is an integer number (1552328041968).

Almost surely, 2^{43423452435451} is an apocalyptic number.

43423452435451 is a deficient number, since it is larger than the sum of its proper divisors (6251044907525).

43423452435451 is a wasteful number, since it uses less digits than its factorization.

43423452435451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438064 (or 12438042 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 49.

Adding to 43423452435451 its reverse (15453425432434), we get a palindrome (58876877867885).

The spelling of 43423452435451 in words is "forty-three trillion, four hundred twenty-three billion, four hundred fifty-two million, four hundred thirty-five thousand, four hundred fifty-one".