402312673 has 8 divisors (see below), whose sum is σ = 460587392. Its totient is φ = 344238336.

The previous prime is 402312653. The next prime is 402312697. The reversal of 402312673 is 376213204.

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 402312673 - 2¹³ = 402304481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402312613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45765 + ... + 53842.

It is an arithmetic number, because the mean of its divisors is an integer number (57573424).

Almost surely, 2^402312673 is an apocalyptic number.

It is an amenable number.

402312673 is a deficient number, since it is larger than the sum of its proper divisors (58274719).

402312673 is an equidigital number, since it uses as much as digits as its factorization.

402312673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100191.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 402312673 is about 20057.7334960857. The cubic root of 402312673 is about 738.2235651973.

Adding to 402312673 its reverse (376213204), we get a palindrome (778525877).

The spelling of 402312673 in words is "four hundred two million, three hundred twelve thousand, six hundred seventy-three".