1230400323 has 24 divisors (see below), whose sum is σ = 1877258240. Its totient is φ = 775338480.

The previous prime is 1230400319. The next prime is 1230400349. The reversal of 1230400323 is 3230040321.

1230400323 is a `hidden beast` number, since 1 + 230 + 400 + 32 + 3 = 666.

It is not a de Polignac number, because 1230400323 - 2² = 1230400319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230400296 and 1230400305.

It is not an unprimeable number, because it can be changed into a prime (1230407323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39283 + ... + 63276.

Almost surely, 2^1230400323 is an apocalyptic number.

1230400323 is a deficient number, since it is larger than the sum of its proper divisors (646857917).

1230400323 is a wasteful number, since it uses less digits than its factorization.

1230400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102639 (or 102636 counting only the distinct ones).

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

The square root of 1230400323 is about 35077.0626335787. The cubic root of 1230400323 is about 1071.5574962649.

Adding to 1230400323 its reverse (3230040321), we get a palindrome (4460440644).

The spelling of 1230400323 in words is "one billion, two hundred thirty million, four hundred thousand, three hundred twenty-three".