523440230 has 16 divisors (see below), whose sum is σ = 942540624. Its totient is φ = 209298720.

The previous prime is 523440199. The next prime is 523440257. The reversal of 523440230 is 32044325.

It is a junction number, because it is equal to n+sod(n) for n = 523440196 and 523440205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24485 + ... + 40575.

It is an arithmetic number, because the mean of its divisors is an integer number (58908789).

Almost surely, 2^523440230 is an apocalyptic number.

523440230 is a deficient number, since it is larger than the sum of its proper divisors (419100394).

523440230 is a wasteful number, since it uses less digits than its factorization.

523440230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 523440230 is about 22878.8161844095. The cubic root of 523440230 is about 805.9146169921.

Adding to 523440230 its reverse (32044325), we get a palindrome (555484555).

The spelling of 523440230 in words is "five hundred twenty-three million, four hundred forty thousand, two hundred thirty".