423123144403 has 8 divisors (see below), whose sum is σ = 425999012400. Its totient is φ = 420247758240.

The previous prime is 423123144391. The next prime is 423123144449. The reversal of 423123144403 is 304441321324.

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 423123144403 - 2²⁹ = 422586273491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423123144463) 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, 1738948 + ... + 1967278.

It is an arithmetic number, because the mean of its divisors is an integer number (53249876550).

Almost surely, 2^423123144403 is an apocalyptic number.

423123144403 is a deficient number, since it is larger than the sum of its proper divisors (2875867997).

423123144403 is a wasteful number, since it uses less digits than its factorization.

423123144403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240917.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 423123144403 its reverse (304441321324), we get a palindrome (727564465727).

The spelling of 423123144403 in words is "four hundred twenty-three billion, one hundred twenty-three million, one hundred forty-four thousand, four hundred three".