423023312232 has 96 divisors (see below), whose sum is σ = 1165369140000. Its totient is φ = 138586573440.

The previous prime is 423023312227. The next prime is 423023312251. The reversal of 423023312232 is 232213320324.

423023312232 is a `hidden beast` number, since 4 + 2 + 302 + 331 + 2 + 23 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 423023312196 and 423023312205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25866394 + ... + 25882742.

It is an arithmetic number, because the mean of its divisors is an integer number (12139261875).

Almost surely, 2^423023312232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423023312232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582684570000).

423023312232 is an abundant number, since it is smaller than the sum of its proper divisors (742345827768).

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

423023312232 is a wasteful number, since it uses less digits than its factorization.

423023312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511 (or 22504 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423023312232 its reverse (232213320324), we get a palindrome (655236632556).

The spelling of 423023312232 in words is "four hundred twenty-three billion, twenty-three million, three hundred twelve thousand, two hundred thirty-two".