42245123533 has 2 divisors, whose sum is σ = 42245123534. Its totient is φ = 42245123532.

The previous prime is 42245123461. The next prime is 42245123567. The reversal of 42245123533 is 33532154224.

42245123533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42245123567) can be obtained adding 42245123533 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28094117769 + 14151005764 = 167613^2 + 118958^2 .

It is a cyclic number.

It is not a de Polignac number, because 42245123533 - 2⁹ = 42245123021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42245423533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122561766 + 21122561767.

It is an arithmetic number, because the mean of its divisors is an integer number (21122561767).

Almost surely, 2^42245123533 is an apocalyptic number.

It is an amenable number.

42245123533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42245123533 is an equidigital number, since it uses as much as digits as its factorization.

42245123533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 34.

Adding to 42245123533 its reverse (33532154224), we get a palindrome (75777277757).

The spelling of 42245123533 in words is "forty-two billion, two hundred forty-five million, one hundred twenty-three thousand, five hundred thirty-three".