423403023012231 has 16 divisors (see below), whose sum is σ = 577671754708224. Its totient is φ = 275701614271104.

The previous prime is 423403023012187. The next prime is 423403023012257. The reversal of 423403023012231 is 132210320304324.

It is a happy number.

It is not a de Polignac number, because 423403023012231 - 2⁷ = 423403023012103 is a prime.

It is a super-2 number, since 2×423403023012231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423403023017231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2584491 + ... + 29214476.

It is an arithmetic number, because the mean of its divisors is an integer number (36104484669264).

Almost surely, 2^{423403023012231} is an apocalyptic number.

423403023012231 is a deficient number, since it is larger than the sum of its proper divisors (154268731695993).

423403023012231 is a wasteful number, since it uses less digits than its factorization.

423403023012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31902230.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 423403023012231 its reverse (132210320304324), we get a palindrome (555613343316555).

The spelling of 423403023012231 in words is "four hundred twenty-three trillion, four hundred three billion, twenty-three million, twelve thousand, two hundred thirty-one".