43012420400231 has 8 divisors (see below), whose sum is σ = 44028093052944. Its totient is φ = 41997447011520.

The previous prime is 43012420400167. The next prime is 43012420400293. The reversal of 43012420400231 is 13200402421034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43012420400231 - 2⁶ = 43012420400167 is a prime.

It is a super-2 number, since 2×43012420400231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43012420400231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43012420406231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174691526 + ... + 174937571.

It is an arithmetic number, because the mean of its divisors is an integer number (5503511631618).

Almost surely, 2^{43012420400231} is an apocalyptic number.

43012420400231 is a deficient number, since it is larger than the sum of its proper divisors (1015672652713).

43012420400231 is a wasteful number, since it uses less digits than its factorization.

43012420400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349632001.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43012420400231 its reverse (13200402421034), we get a palindrome (56212822821265).

The spelling of 43012420400231 in words is "forty-three trillion, twelve billion, four hundred twenty million, four hundred thousand, two hundred thirty-one".