402101323 has 16 divisors (see below), whose sum is σ = 459950400. Its totient is φ = 348235776.

The previous prime is 402101321. The next prime is 402101333. The reversal of 402101323 is 323101204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 402101323 - 2¹ = 402101321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402101297 and 402101306.

It is not an unprimeable number, because it can be changed into a prime (402101321) 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, 71778 + ... + 77176.

It is an arithmetic number, because the mean of its divisors is an integer number (28746900).

Almost surely, 2^402101323 is an apocalyptic number.

402101323 is a deficient number, since it is larger than the sum of its proper divisors (57849077).

402101323 is a wasteful number, since it uses less digits than its factorization.

402101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 402101323 is about 20052.4642625289. The cubic root of 402101323 is about 738.0942703390.

Adding to 402101323 its reverse (323101204), we get a palindrome (725202527).

The spelling of 402101323 in words is "four hundred two million, one hundred one thousand, three hundred twenty-three".