423802051 has 4 divisors (see below), whose sum is σ = 424129104. Its totient is φ = 423475000.

The previous prime is 423802039. The next prime is 423802103. The reversal of 423802051 is 150208324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423802051 - 2⁵ = 423802019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423802651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161575 + ... + 164176.

It is an arithmetic number, because the mean of its divisors is an integer number (106032276).

Almost surely, 2^423802051 is an apocalyptic number.

423802051 is a deficient number, since it is larger than the sum of its proper divisors (327053).

423802051 is a wasteful number, since it uses less digits than its factorization.

423802051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327052.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 423802051 is about 20586.4530942074. The cubic root of 423802051 is about 751.1402217954.

The spelling of 423802051 in words is "four hundred twenty-three million, eight hundred two thousand, fifty-one".