6423356402 has 8 divisors (see below), whose sum is σ = 9635406300. Its totient is φ = 3211554304.

The previous prime is 6423356377. The next prime is 6423356419. The reversal of 6423356402 is 2046533246.

It can be written as a sum of positive squares in 2 ways, for example, as 6007645081 + 415711321 = 77509^2 + 20389^2 .

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

It is a super-2 number, since 2×6423356402² = 82519014934228771208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30374 + ... + 117342.

Almost surely, 2^6423356402 is an apocalyptic number.

6423356402 is a deficient number, since it is larger than the sum of its proper divisors (3212049898).

6423356402 is a wasteful number, since it uses less digits than its factorization.

6423356402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123900.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 6423356402 is about 80145.8445710069. The cubic root of 6423356402 is about 1858.8913501522.

Adding to 6423356402 its reverse (2046533246), we get a palindrome (8469889648).

The spelling of 6423356402 in words is "six billion, four hundred twenty-three million, three hundred fifty-six thousand, four hundred two".