423001232129 has 4 divisors (see below), whose sum is σ = 483429979584. Its totient is φ = 362572484676.

The previous prime is 423001232083. The next prime is 423001232177. The reversal of 423001232129 is 921232100324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423001232129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423001232179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30214373717 + ... + 30214373730.

It is an arithmetic number, because the mean of its divisors is an integer number (120857494896).

Almost surely, 2^423001232129 is an apocalyptic number.

It is an amenable number.

423001232129 is a deficient number, since it is larger than the sum of its proper divisors (60428747455).

423001232129 is an equidigital number, since it uses as much as digits as its factorization.

423001232129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60428747454.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 423001232129 in words is "four hundred twenty-three billion, one million, two hundred thirty-two thousand, one hundred twenty-nine".