230523501 has 16 divisors (see below), whose sum is σ = 335202560. Its totient is φ = 140063040.

The previous prime is 230523499. The next prime is 230523509. The reversal of 230523501 is 105325032.

It is not a de Polignac number, because 230523501 - 2¹ = 230523499 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230523509) 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, 34330 + ... + 40491.

It is an arithmetic number, because the mean of its divisors is an integer number (20950160).

Almost surely, 2^230523501 is an apocalyptic number.

It is an amenable number.

230523501 is a deficient number, since it is larger than the sum of its proper divisors (104679059).

230523501 is a wasteful number, since it uses less digits than its factorization.

230523501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74916.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 230523501 is about 15183.0003951788. Note that the first 3 decimals coincide. The cubic root of 230523501 is about 613.1570633643.

Adding to 230523501 its reverse (105325032), we get a palindrome (335848533).

The spelling of 230523501 in words is "two hundred thirty million, five hundred twenty-three thousand, five hundred one".