423641052 has 18 divisors (see below), whose sum is σ = 1070870528. Its totient is φ = 141213672.

The previous prime is 423641051. The next prime is 423641059. The reversal of 423641052 is 250146324.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423641051) 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, 5883868 + ... + 5883939.

Almost surely, 2^423641052 is an apocalyptic number.

It is an amenable number.

423641052 is an abundant number, since it is smaller than the sum of its proper divisors (647229476).

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

423641052 is a wasteful number, since it uses less digits than its factorization.

423641052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767817 (or 11767812 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 423641052 is about 20582.5424085558. The cubic root of 423641052 is about 751.0450923662.

Adding to 423641052 its reverse (250146324), we get a palindrome (673787376).

The spelling of 423641052 in words is "four hundred twenty-three million, six hundred forty-one thousand, fifty-two".