1230440341 has 4 divisors (see below), whose sum is σ = 1325089612. Its totient is φ = 1135791072.

The previous prime is 1230440317. The next prime is 1230440357. The reversal of 1230440341 is 1430440321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1430440321 = 8447 ⋅169343.

It can be written as a sum of positive squares in 2 ways, for example, as 373648900 + 856791441 = 19330^2 + 29271^2 .

It is not a de Polignac number, because 1230440341 - 2¹³ = 1230432149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230440311) 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, 47324616 + ... + 47324641.

It is an arithmetic number, because the mean of its divisors is an integer number (331272403).

Almost surely, 2^1230440341 is an apocalyptic number.

It is an amenable number.

1230440341 is a deficient number, since it is larger than the sum of its proper divisors (94649271).

1230440341 is an equidigital number, since it uses as much as digits as its factorization.

1230440341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94649270.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1230440341 is about 35077.6330586886. The cubic root of 1230440341 is about 1071.5691133845.

Adding to 1230440341 its reverse (1430440321), we get a palindrome (2660880662).

The spelling of 1230440341 in words is "one billion, two hundred thirty million, four hundred forty thousand, three hundred forty-one".