10402320033401 has 4 divisors (see below), whose sum is σ = 10419628386804. Its totient is φ = 10385011680000.

The previous prime is 10402320033323. The next prime is 10402320033437. The reversal of 10402320033401 is 10433002320401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5267002050025 + 5135317983376 = 2294995^2 + 2266124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10402320033401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10402320033451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8654175800 + ... + 8654177001.

It is an arithmetic number, because the mean of its divisors is an integer number (2604907096701).

Almost surely, 2^{10402320033401} is an apocalyptic number.

It is an amenable number.

10402320033401 is a deficient number, since it is larger than the sum of its proper divisors (17308353403).

10402320033401 is an equidigital number, since it uses as much as digits as its factorization.

10402320033401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308353402.

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

Adding to 10402320033401 its reverse (10433002320401), we get a palindrome (20835322353802).

The spelling of 10402320033401 in words is "ten trillion, four hundred two billion, three hundred twenty million, thirty-three thousand, four hundred one".