423945233291 has 8 divisors (see below), whose sum is σ = 425297293824. Its totient is φ = 422595147240.

The previous prime is 423945233269. The next prime is 423945233293. The reversal of 423945233291 is 192332549324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423945233291 - 2⁶ = 423945233227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423945233293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62915 + ... + 922956.

It is an arithmetic number, because the mean of its divisors is an integer number (53162161728).

Almost surely, 2^423945233291 is an apocalyptic number.

423945233291 is a deficient number, since it is larger than the sum of its proper divisors (1352060533).

423945233291 is an equidigital number, since it uses as much as digits as its factorization.

423945233291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987241.

The product of its digits is 1399680, while the sum is 47.

The spelling of 423945233291 in words is "four hundred twenty-three billion, nine hundred forty-five million, two hundred thirty-three thousand, two hundred ninety-one".