404022312423553 has 2 divisors, whose sum is σ = 404022312423554. Its totient is φ = 404022312423552.

The previous prime is 404022312423529. The next prime is 404022312423559. The reversal of 404022312423553 is 355324213220404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329684928643984 + 74337383779569 = 18157228^2 + 8621913^2 .

It is a cyclic number.

It is not a de Polignac number, because 404022312423553 - 2¹³ = 404022312415361 is a prime.

It is not a weakly prime, because it can be changed into another prime (404022312423559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202011156211776 + 202011156211777.

It is an arithmetic number, because the mean of its divisors is an integer number (202011156211777).

Almost surely, 2^{404022312423553} is an apocalyptic number.

It is an amenable number.

404022312423553 is a deficient number, since it is larger than the sum of its proper divisors (1).

404022312423553 is an equidigital number, since it uses as much as digits as its factorization.

404022312423553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 404022312423553 its reverse (355324213220404), we get a palindrome (759346525643957).

The spelling of 404022312423553 in words is "four hundred four trillion, twenty-two billion, three hundred twelve million, four hundred twenty-three thousand, five hundred fifty-three".