423431442033 has 8 divisors (see below), whose sum is σ = 564735342528. Its totient is φ = 282207584784.

The previous prime is 423431442001. The next prime is 423431442043. The reversal of 423431442033 is 330244134324.

It is a happy number.

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

It is not a de Polignac number, because 423431442033 - 2⁵ = 423431442001 is a prime.

It is a super-2 number, since 2×423431442033² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423431441985 and 423431442003.

It is not an unprimeable number, because it can be changed into a prime (423431442043) 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, 19998466 + ... + 20019627.

It is an arithmetic number, because the mean of its divisors is an integer number (70591917816).

Almost surely, 2^423431442033 is an apocalyptic number.

It is an amenable number.

423431442033 is a deficient number, since it is larger than the sum of its proper divisors (141303900495).

423431442033 is a wasteful number, since it uses less digits than its factorization.

423431442033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40021623.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 423431442033 its reverse (330244134324), we get a palindrome (753675576357).

The spelling of 423431442033 in words is "four hundred twenty-three billion, four hundred thirty-one million, four hundred forty-two thousand, thirty-three".