423550146 has 8 divisors (see below), whose sum is σ = 847100304. Its totient is φ = 141183380.

The previous prime is 423550093. The next prime is 423550163. The reversal of 423550146 is 641055324.

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

423550146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35295840 + ... + 35295851.

It is an arithmetic number, because the mean of its divisors is an integer number (105887538).

Almost surely, 2^423550146 is an apocalyptic number.

423550146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423550146 is a wasteful number, since it uses less digits than its factorization.

423550146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70591696.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 423550146 is about 20580.3339623049. Note that the first 3 decimals coincide. The cubic root of 423550146 is about 750.9913681194.

The spelling of 423550146 in words is "four hundred twenty-three million, five hundred fifty thousand, one hundred forty-six".