43312321452 has 24 divisors (see below), whose sum is σ = 101076163776. Its totient is φ = 14435429008.

The previous prime is 43312321441. The next prime is 43312321501. The reversal of 43312321452 is 25412321334.

43312321452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43312321452² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160398 + ... + 335189.

It is an arithmetic number, because the mean of its divisors is an integer number (4211506824).

Almost surely, 2^43312321452 is an apocalyptic number.

It is an amenable number.

43312321452 is an abundant number, since it is smaller than the sum of its proper divisors (57763842324).

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

43312321452 is a wasteful number, since it uses less digits than its factorization.

43312321452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502877 (or 502875 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 43312321452 its reverse (25412321334), we get a palindrome (68724642786).

The spelling of 43312321452 in words is "forty-three billion, three hundred twelve million, three hundred twenty-one thousand, four hundred fifty-two".