42320011 has 4 divisors (see below), whose sum is σ = 44547400. Its totient is φ = 40092624.

The previous prime is 42320009. The next prime is 42320029. The reversal of 42320011 is 11002324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42320011 - 2¹ = 42320009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42319973 and 42320000.

It is not an unprimeable number, because it can be changed into a prime (42380011) 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, 1113666 + ... + 1113703.

It is an arithmetic number, because the mean of its divisors is an integer number (11136850).

Almost surely, 2^42320011 is an apocalyptic number.

42320011 is a deficient number, since it is larger than the sum of its proper divisors (2227389).

42320011 is a wasteful number, since it uses less digits than its factorization.

42320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227388.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42320011 is about 6505.3832323699. The cubic root of 42320011 is about 348.4832625088.

Adding to 42320011 its reverse (11002324), we get a palindrome (53322335).

The spelling of 42320011 in words is "forty-two million, three hundred twenty thousand, eleven".