404623772343 has 36 divisors (see below), whose sum is σ = 701809612608. Its totient is φ = 223755073920.

The previous prime is 404623772339. The next prime is 404623772359. The reversal of 404623772343 is 343277326404.

404623772343 is a `hidden beast` number, since 4 + 0 + 4 + 6 + 237 + 72 + 343 = 666.

It is not a de Polignac number, because 404623772343 - 2² = 404623772339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404623772243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14784946 + ... + 14812287.

Almost surely, 2^404623772343 is an apocalyptic number.

404623772343 is a deficient number, since it is larger than the sum of its proper divisors (297185840265).

404623772343 is a wasteful number, since it uses less digits than its factorization.

404623772343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29597284 (or 29597274 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 45.

The spelling of 404623772343 in words is "four hundred four billion, six hundred twenty-three million, seven hundred seventy-two thousand, three hundred forty-three".