423233423040 has 56 divisors (see below), whose sum is σ = 1343766121200. Its totient is φ = 112862245888.

The previous prime is 423233423033. The next prime is 423233423051. The reversal of 423233423040 is 40324332324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 423233422989 and 423233423007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220433115 + ... + 220435034.

Almost surely, 2^423233423040 is an apocalyptic number.

423233423040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423233423040 is an abundant number, since it is smaller than the sum of its proper divisors (920532698160).

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

423233423040 is a wasteful number, since it uses less digits than its factorization.

423233423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440868169 (or 440868159 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 423233423040 its reverse (40324332324), we get a palindrome (463557755364).

The spelling of 423233423040 in words is "four hundred twenty-three billion, two hundred thirty-three million, four hundred twenty-three thousand, forty".