42323402043 has 64 divisors (see below), whose sum is σ = 68751155200. Its totient is φ = 25573553280.

The previous prime is 42323401997. The next prime is 42323402071. The reversal of 42323402043 is 34020432324.

42323402043 is a `hidden beast` number, since 423 + 2 + 34 + 0 + 204 + 3 = 666.

It is not a de Polignac number, because 42323402043 - 2¹⁰ = 42323401019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42323401998 and 42323402016.

It is not an unprimeable number, because it can be changed into a prime (42323402543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15564438 + ... + 15567156.

It is an arithmetic number, because the mean of its divisors is an integer number (1074236800).

Almost surely, 2^42323402043 is an apocalyptic number.

42323402043 is a deficient number, since it is larger than the sum of its proper divisors (26427753157).

42323402043 is a wasteful number, since it uses less digits than its factorization.

42323402043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 42323402043 its reverse (34020432324), we get a palindrome (76343834367).

The spelling of 42323402043 in words is "forty-two billion, three hundred twenty-three million, four hundred two thousand, forty-three".