42320235401 has 2 divisors, whose sum is σ = 42320235402. Its totient is φ = 42320235400.

The previous prime is 42320235389. The next prime is 42320235437. The reversal of 42320235401 is 10453202324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41432195401 + 888040000 = 203549^2 + 29800^2 .

It is a cyclic number.

It is not a de Polignac number, because 42320235401 - 2¹⁰ = 42320234377 is a prime.

It is not a weakly prime, because it can be changed into another prime (42320235101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21160117700 + 21160117701.

It is an arithmetic number, because the mean of its divisors is an integer number (21160117701).

Almost surely, 2^42320235401 is an apocalyptic number.

It is an amenable number.

42320235401 is a deficient number, since it is larger than the sum of its proper divisors (1).

42320235401 is an equidigital number, since it uses as much as digits as its factorization.

42320235401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 42320235401 its reverse (10453202324), we get a palindrome (52773437725).

The spelling of 42320235401 in words is "forty-two billion, three hundred twenty million, two hundred thirty-five thousand, four hundred one".