423543012 has 12 divisors (see below), whose sum is σ = 988267056. Its totient is φ = 141181000.

The previous prime is 423543011. The next prime is 423543013. The reversal of 423543012 is 210345324.

It is an interprime number because it is at equal distance from previous prime (423543011) and next prime (423543013).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (423543011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17647614 + ... + 17647637.

It is an arithmetic number, because the mean of its divisors is an integer number (82355588).

Almost surely, 2^423543012 is an apocalyptic number.

It is an amenable number.

423543012 is an abundant number, since it is smaller than the sum of its proper divisors (564724044).

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

423543012 is a wasteful number, since it uses less digits than its factorization.

423543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35295258 (or 35295256 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 423543012 is about 20580.1606407725. The cubic root of 423543012 is about 750.9871516942.

Adding to 423543012 its reverse (210345324), we get a palindrome (633888336).

The spelling of 423543012 in words is "four hundred twenty-three million, five hundred forty-three thousand, twelve".