42400323043 has 8 divisors (see below), whose sum is σ = 46410442736. Its totient is φ = 38497140000.

The previous prime is 42400323019. The next prime is 42400323071. The reversal of 42400323043 is 34032300424.

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 42400323043 - 2¹⁷ = 42400191971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42400322999 and 42400323017.

It is not an unprimeable number, because it can be changed into a prime (42400323013) 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, 26733333 + ... + 26734918.

It is an arithmetic number, because the mean of its divisors is an integer number (5801305342).

Almost surely, 2^42400323043 is an apocalyptic number.

42400323043 is a deficient number, since it is larger than the sum of its proper divisors (4010119693).

42400323043 is a wasteful number, since it uses less digits than its factorization.

42400323043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53468325.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 42400323043 its reverse (34032300424), we get a palindrome (76432623467).

The spelling of 42400323043 in words is "forty-two billion, four hundred million, three hundred twenty-three thousand, forty-three".