1230144323 has 4 divisors (see below), whose sum is σ = 1230313968. Its totient is φ = 1229974680.

The previous prime is 1230144287. The next prime is 1230144343. The reversal of 1230144323 is 3234410321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230144323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230144343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73436 + ... + 88617.

It is an arithmetic number, because the mean of its divisors is an integer number (307578492).

Almost surely, 2^1230144323 is an apocalyptic number.

1230144323 is a deficient number, since it is larger than the sum of its proper divisors (169645).

1230144323 is an equidigital number, since it uses as much as digits as its factorization.

1230144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169644.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1230144323 is about 35073.4133354597. The cubic root of 1230144323 is about 1071.4831741815.

Adding to 1230144323 its reverse (3234410321), we get a palindrome (4464554644).

The spelling of 1230144323 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, three hundred twenty-three".