402130231443 has 6 divisors (see below), whose sum is σ = 580854778764. Its totient is φ = 268086820956.

The previous prime is 402130231441. The next prime is 402130231457. The reversal of 402130231443 is 344132031204.

402130231443 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 302 + 314 + 43 = 666.

It is not a de Polignac number, because 402130231443 - 2¹ = 402130231441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402130231441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22340568405 + ... + 22340568422.

It is an arithmetic number, because the mean of its divisors is an integer number (96809129794).

Almost surely, 2^402130231443 is an apocalyptic number.

402130231443 is a deficient number, since it is larger than the sum of its proper divisors (178724547321).

402130231443 is a wasteful number, since it uses less digits than its factorization.

402130231443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44681136833 (or 44681136830 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 402130231443 its reverse (344132031204), we get a palindrome (746262262647).

The spelling of 402130231443 in words is "four hundred two billion, one hundred thirty million, two hundred thirty-one thousand, four hundred forty-three".