42320411033 has 6 divisors (see below), whose sum is σ = 44240430234. Its totient is φ = 40480392656.

The previous prime is 42320410999. The next prime is 42320411039. The reversal of 42320411033 is 33011402324.

It can be written as a sum of positive squares in only one way, i.e., 29431804249 + 12888606784 = 171557^2 + 113528^2 .

It is not a de Polignac number, because 42320411033 - 2⁸ = 42320410777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

42320411033 is a modest number, since divided by 411033 gives 42320 as remainder.

It is not an unprimeable number, because it can be changed into a prime (42320411039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39999860 + ... + 40000917.

It is an arithmetic number, because the mean of its divisors is an integer number (7373405039).

Almost surely, 2^42320411033 is an apocalyptic number.

It is an amenable number.

42320411033 is a deficient number, since it is larger than the sum of its proper divisors (1920019201).

42320411033 is an equidigital number, since it uses as much as digits as its factorization.

42320411033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80000823 (or 80000800 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42320411033 its reverse (33011402324), we get a palindrome (75331813357).

The spelling of 42320411033 in words is "forty-two billion, three hundred twenty million, four hundred eleven thousand, thirty-three".