423195136 has 160 divisors (see below), whose sum is σ = 1077931008. Its totient is φ = 161464320.

The previous prime is 423195133. The next prime is 423195137. The reversal of 423195136 is 631591324.

It is not an unprimeable number, because it can be changed into a prime (423195131) 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 15 ways as a sum of consecutive naturals, for example, 1444206 + ... + 1444498.

Almost surely, 2^423195136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423195136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538965504).

423195136 is an abundant number, since it is smaller than the sum of its proper divisors (654735872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423195136 is a wasteful number, since it uses less digits than its factorization.

423195136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 346 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 423195136 is about 20571.7071727166. The cubic root of 423195136 is about 750.7814882335.

The spelling of 423195136 in words is "four hundred twenty-three million, one hundred ninety-five thousand, one hundred thirty-six".