43123425552 has 60 divisors (see below), whose sum is σ = 122139776304. Its totient is φ = 14201284800.

The previous prime is 43123425551. The next prime is 43123425557. The reversal of 43123425552 is 25552432134.

43123425552 is a `hidden beast` number, since 43 + 1 + 23 + 42 + 5 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (43123425551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1792074 + ... + 1815977.

Almost surely, 2^43123425552 is an apocalyptic number.

It is an amenable number.

43123425552 is an abundant number, since it is smaller than the sum of its proper divisors (79016350752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43123425552 is a wasteful number, since it uses less digits than its factorization.

43123425552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608148 (or 3608139 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 43123425552 its reverse (25552432134), we get a palindrome (68675857686).

The spelling of 43123425552 in words is "forty-three billion, one hundred twenty-three million, four hundred twenty-five thousand, five hundred fifty-two".