402023361 has 8 divisors (see below), whose sum is σ = 567562464. Its totient is φ = 252249920.

The previous prime is 402023359. The next prime is 402023381. The reversal of 402023361 is 163320204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402023361 - 2¹ = 402023359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402023341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3941355 + ... + 3941456.

It is an arithmetic number, because the mean of its divisors is an integer number (70945308).

Almost surely, 2^402023361 is an apocalyptic number.

It is an amenable number.

402023361 is a deficient number, since it is larger than the sum of its proper divisors (165539103).

402023361 is a wasteful number, since it uses less digits than its factorization.

402023361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882831.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 402023361 is about 20050.5202176901. The cubic root of 402023361 is about 738.0465650953.

Adding to 402023361 its reverse (163320204), we get a palindrome (565343565).

The spelling of 402023361 in words is "four hundred two million, twenty-three thousand, three hundred sixty-one".