423908158 has 16 divisors (see below), whose sum is σ = 677036880. Its totient is φ = 198368896.

The previous prime is 423908137. The next prime is 423908171. The reversal of 423908158 is 851809324.

It is a self number, because there is not a number n which added to its sum of digits gives 423908158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28741 + ... + 40912.

It is an arithmetic number, because the mean of its divisors is an integer number (42314805).

Almost surely, 2^423908158 is an apocalyptic number.

423908158 is a deficient number, since it is larger than the sum of its proper divisors (253128722).

423908158 is a wasteful number, since it uses less digits than its factorization.

423908158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69851.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 423908158 is about 20589.0300402909. The cubic root of 423908158 is about 751.2029040348.

The spelling of 423908158 in words is "four hundred twenty-three million, nine hundred eight thousand, one hundred fifty-eight".