1230440203 has 4 divisors (see below), whose sum is σ = 1231483248. Its totient is φ = 1229397160.

The previous prime is 1230440149. The next prime is 1230440257. The reversal of 1230440203 is 3020440321.

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

It is an interprime number because it is at equal distance from previous prime (1230440149) and next prime (1230440257).

It is a cyclic number.

It is not a de Polignac number, because 1230440203 - 2¹³ = 1230432011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230440303) 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, 519751 + ... + 522112.

It is an arithmetic number, because the mean of its divisors is an integer number (307870812).

Almost surely, 2^1230440203 is an apocalyptic number.

1230440203 is a deficient number, since it is larger than the sum of its proper divisors (1043045).

1230440203 is a wasteful number, since it uses less digits than its factorization.

1230440203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043044.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1230440203 is about 35077.6310916230. The cubic root of 1230440203 is about 1071.5690733239.

Adding to 1230440203 its reverse (3020440321), we get a palindrome (4250880524).

The spelling of 1230440203 in words is "one billion, two hundred thirty million, four hundred forty thousand, two hundred three".