423394877 has 8 divisors (see below), whose sum is σ = 449307000. Its totient is φ = 397594624.

The previous prime is 423394871. The next prime is 423394883. The reversal of 423394877 is 778493324.

It is an interprime number because it is at equal distance from previous prime (423394871) and next prime (423394883).

It can be written as a sum of positive squares in 4 ways, for example, as 21031396 + 402363481 = 4586^2 + 20059^2 .

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 423394877 - 2⁴ = 423394861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423394871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20102 + ... + 35367.

It is an arithmetic number, because the mean of its divisors is an integer number (56163375).

Almost surely, 2^423394877 is an apocalyptic number.

It is an amenable number.

423394877 is a deficient number, since it is larger than the sum of its proper divisors (25912123).

423394877 is a wasteful number, since it uses less digits than its factorization.

423394877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55935.

The product of its digits is 1016064, while the sum is 47.

The square root of 423394877 is about 20576.5613502354. The cubic root of 423394877 is about 750.8995884080.

The spelling of 423394877 in words is "four hundred twenty-three million, three hundred ninety-four thousand, eight hundred seventy-seven".