43501230423252 has 144 divisors (see below), whose sum is σ = 130331151000960. Its totient is φ = 11970111073536.

The previous prime is 43501230423229. The next prime is 43501230423257. The reversal of 43501230423252 is 25232403210534.

43501230423252 is a `hidden beast` number, since 4 + 3 + 501 + 2 + 30 + 42 + 32 + 52 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43501230423257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4595638 + ... + 10398189.

Almost surely, 2^{43501230423252} is an apocalyptic number.

43501230423252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43501230423252 is an abundant number, since it is smaller than the sum of its proper divisors (86829920577708).

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

43501230423252 is a wasteful number, since it uses less digits than its factorization.

43501230423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14994270 (or 14994265 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 43501230423252 its reverse (25232403210534), we get a palindrome (68733633633786).

The spelling of 43501230423252 in words is "forty-three trillion, five hundred one billion, two hundred thirty million, four hundred twenty-three thousand, two hundred fifty-two".