423115777 has 8 divisors (see below), whose sum is σ = 495355392. Its totient is φ = 353824800.

The previous prime is 423115753. The next prime is 423115793. The reversal of 423115777 is 777511324.

It is a happy number.

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

It is not a de Polignac number, because 423115777 - 2¹¹ = 423113729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423115177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736849 + ... + 737422.

It is an arithmetic number, because the mean of its divisors is an integer number (61919424).

Almost surely, 2^423115777 is an apocalyptic number.

It is an amenable number.

423115777 is a deficient number, since it is larger than the sum of its proper divisors (72239615).

423115777 is a wasteful number, since it uses less digits than its factorization.

423115777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474319.

The product of its digits is 41160, while the sum is 37.

The square root of 423115777 is about 20569.7782438217. The cubic root of 423115777 is about 750.7345555952.

The spelling of 423115777 in words is "four hundred twenty-three million, one hundred fifteen thousand, seven hundred seventy-seven".