423111111325 has 48 divisors (see below), whose sum is σ = 625815945216. Its totient is φ = 277458033600.

The previous prime is 423111111289. The next prime is 423111111331. The reversal of 423111111325 is 523111111324.

It is not a de Polignac number, because 423111111325 - 2¹⁵ = 423111078557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 423111111325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25232394 + ... + 25249156.

It is an arithmetic number, because the mean of its divisors is an integer number (13037832192).

Almost surely, 2^423111111325 is an apocalyptic number.

It is an amenable number.

423111111325 is a deficient number, since it is larger than the sum of its proper divisors (202704833891).

423111111325 is a wasteful number, since it uses less digits than its factorization.

423111111325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23074 (or 23069 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

Adding to 423111111325 its reverse (523111111324), we get a palindrome (946222222649).

Subtracting 423111111325 from its reverse (523111111324), we obtain a palindrome (99999999999).

It can be divided in two parts, 4231 and 11111325, that added together give a square (11115556 = 3334²).

The spelling of 423111111325 in words is "four hundred twenty-three billion, one hundred eleven million, one hundred eleven thousand, three hundred twenty-five".