423692190 has 96 divisors (see below), whose sum is σ = 1204160256. Its totient is φ = 102896640.

The previous prime is 423692183. The next prime is 423692209. The reversal of 423692190 is 91296324.

It is a super-2 number, since 2×423692190² = 359030143733992200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42964 + ... + 51896.

It is an arithmetic number, because the mean of its divisors is an integer number (12543336).

Almost surely, 2^423692190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423692190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602080128).

423692190 is an abundant number, since it is smaller than the sum of its proper divisors (780468066).

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

423692190 is a wasteful number, since it uses less digits than its factorization.

423692190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 423692190 is about 20583.7846374276. The cubic root of 423692190 is about 751.0753108719.

The spelling of 423692190 in words is "four hundred twenty-three million, six hundred ninety-two thousand, one hundred ninety".