441403401523 has 16 divisors (see below), whose sum is σ = 507848509440. Its totient is φ = 375813146016.

The previous prime is 441403401419. The next prime is 441403401529. The reversal of 441403401523 is 325104304144.

It is not a de Polignac number, because 441403401523 - 2¹³ = 441403393331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441403401529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331890 + ... + 996472.

It is an arithmetic number, because the mean of its divisors is an integer number (31740531840).

Almost surely, 2^441403401523 is an apocalyptic number.

441403401523 is a deficient number, since it is larger than the sum of its proper divisors (66445107917).

441403401523 is a wasteful number, since it uses less digits than its factorization.

441403401523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665226.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 441403401523 its reverse (325104304144), we get a palindrome (766507705667).

The spelling of 441403401523 in words is "four hundred forty-one billion, four hundred three million, four hundred one thousand, five hundred twenty-three".