230123340 has 36 divisors (see below), whose sum is σ = 698041344. Its totient is φ = 61366176.

The previous prime is 230123329. The next prime is 230123347. The reversal of 230123340 is 43321032.

230123340 is a `hidden beast` number, since 2 + 301 + 23 + 340 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×230123340² = 105913503225511200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (230123347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639052 + ... + 639411.

Almost surely, 2^230123340 is an apocalyptic number.

230123340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230123340 is an abundant number, since it is smaller than the sum of its proper divisors (467918004).

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

230123340 is a wasteful number, since it uses less digits than its factorization.

230123340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278478 (or 1278473 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230123340 is about 15169.8167424659. The cubic root of 230123340 is about 612.8020689677.

Adding to 230123340 its reverse (43321032), we get a palindrome (273444372).

The spelling of 230123340 in words is "two hundred thirty million, one hundred twenty-three thousand, three hundred forty".