225423023430 has 64 divisors (see below), whose sum is σ = 594444614400. Its totient is φ = 54254843520.

The previous prime is 225423023417. The next prime is 225423023557. The reversal of 225423023430 is 34320324522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2411325 + ... + 2503064.

It is an arithmetic number, because the mean of its divisors is an integer number (9288197100).

Almost surely, 2^225423023430 is an apocalyptic number.

225423023430 is an abundant number, since it is smaller than the sum of its proper divisors (369021590970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225423023430 is a wasteful number, since it uses less digits than its factorization.

225423023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914549.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 225423023430 its reverse (34320324522), we get a palindrome (259743347952).

The spelling of 225423023430 in words is "two hundred twenty-five billion, four hundred twenty-three million, twenty-three thousand, four hundred thirty".