42323340401 has 4 divisors (see below), whose sum is σ = 42374766912. Its totient is φ = 42271913892.

The previous prime is 42323340373. The next prime is 42323340407. The reversal of 42323340401 is 10404332324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42323340401 - 2¹⁸ = 42323078257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42323340407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25712021 + ... + 25713666.

It is an arithmetic number, because the mean of its divisors is an integer number (10593691728).

Almost surely, 2^42323340401 is an apocalyptic number.

It is an amenable number.

42323340401 is a deficient number, since it is larger than the sum of its proper divisors (51426511).

42323340401 is an equidigital number, since it uses as much as digits as its factorization.

42323340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51426510.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 42323340401 its reverse (10404332324), we get a palindrome (52727672725).

The spelling of 42323340401 in words is "forty-two billion, three hundred twenty-three million, three hundred forty thousand, four hundred one".