423192056 has 24 divisors (see below), whose sum is σ = 907170120. Its totient is φ = 181302048.

The previous prime is 423191981. The next prime is 423192059. The reversal of 423192056 is 650291324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423192059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152570 + ... + 155318.

It is an arithmetic number, because the mean of its divisors is an integer number (37798755).

Almost surely, 2^423192056 is an apocalyptic number.

It is an amenable number.

423192056 is an abundant number, since it is smaller than the sum of its proper divisors (483978064).

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

423192056 is an frugal number, since it uses more digits than its factorization.

423192056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 423192056 is about 20571.6323124831. The cubic root of 423192056 is about 750.7796668416.

The spelling of 423192056 in words is "four hundred twenty-three million, one hundred ninety-two thousand, fifty-six".