230423400520 has 64 divisors (see below), whose sum is σ = 535516646400. Its totient is φ = 89139536640.

The previous prime is 230423400503. The next prime is 230423400527. The reversal of 230423400520 is 25004324032.

230423400520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230423400527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922101 + ... + 2038459.

It is an arithmetic number, because the mean of its divisors is an integer number (8367447600).

Almost surely, 2^230423400520 is an apocalyptic number.

230423400520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230423400520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267758323200).

230423400520 is an abundant number, since it is smaller than the sum of its proper divisors (305093245880).

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

230423400520 is a wasteful number, since it uses less digits than its factorization.

230423400520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117998 (or 117994 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 230423400520 its reverse (25004324032), we get a palindrome (255427724552).

The spelling of 230423400520 in words is "two hundred thirty billion, four hundred twenty-three million, four hundred thousand, five hundred twenty".