423542650 has 24 divisors (see below), whose sum is σ = 793815264. Its totient is φ = 168121200.

The previous prime is 423542633. The next prime is 423542657. The reversal of 423542650 is 56245324.

It is not an unprimeable number, because it can be changed into a prime (423542657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25782 + ... + 38881.

It is an arithmetic number, because the mean of its divisors is an integer number (33075636).

Almost surely, 2^423542650 is an apocalyptic number.

423542650 is a deficient number, since it is larger than the sum of its proper divisors (370272614).

423542650 is a wasteful number, since it uses less digits than its factorization.

423542650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64806 (or 64801 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 423542650 is about 20580.1518458927. The cubic root of 423542650 is about 750.9869377392.

Adding to 423542650 its reverse (56245324), we get a palindrome (479787974).

The spelling of 423542650 in words is "four hundred twenty-three million, five hundred forty-two thousand, six hundred fifty".