1230453013 has 4 divisors (see below), whose sum is σ = 1302832620. Its totient is φ = 1158073408.

The previous prime is 1230452987. The next prime is 1230453017. The reversal of 1230453013 is 3103540321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 491863684 + 738589329 = 22178^2 + 27177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230453013 - 2¹³ = 1230444821 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 (1230453017) 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, 36189778 + ... + 36189811.

It is an arithmetic number, because the mean of its divisors is an integer number (325708155).

Almost surely, 2^1230453013 is an apocalyptic number.

It is an amenable number.

1230453013 is a deficient number, since it is larger than the sum of its proper divisors (72379607).

1230453013 is an equidigital number, since it uses as much as digits as its factorization.

1230453013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72379606.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1230453013 is about 35077.8136861464. The cubic root of 1230453013 is about 1071.5727919801.

Adding to 1230453013 its reverse (3103540321), we get a palindrome (4333993334).

The spelling of 1230453013 in words is "one billion, two hundred thirty million, four hundred fifty-three thousand, thirteen".