43243142124252 has 48 divisors (see below), whose sum is σ = 115319365559552. Its totient is φ = 12354720618240.

The previous prime is 43243142124211. The next prime is 43243142124271. The reversal of 43243142124252 is 25242124134234.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43243142124252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7383853 + ... + 11874660.

Almost surely, 2^{43243142124252} is an apocalyptic number.

43243142124252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43243142124252 is an abundant number, since it is smaller than the sum of its proper divisors (72076223435300).

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

43243142124252 is a wasteful number, since it uses less digits than its factorization.

43243142124252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19285258 (or 19285256 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

Adding to 43243142124252 its reverse (25242124134234), we get a palindrome (68485266258486).

The spelling of 43243142124252 in words is "forty-three trillion, two hundred forty-three billion, one hundred forty-two million, one hundred twenty-four thousand, two hundred fifty-two".