1230827393 has 4 divisors (see below), whose sum is σ = 1236110148. Its totient is φ = 1225544640.

The previous prime is 1230827371. The next prime is 1230827413. The reversal of 1230827393 is 3937280321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3937280321 = 13 ⋅302867717.

It can be written as a sum of positive squares in 2 ways, for example, as 613404289 + 617423104 = 24767^2 + 24848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230827393 - 2¹⁰ = 1230826369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230827303) 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, 2641028 + ... + 2641493.

It is an arithmetic number, because the mean of its divisors is an integer number (309027537).

Almost surely, 2^1230827393 is an apocalyptic number.

It is an amenable number.

1230827393 is a deficient number, since it is larger than the sum of its proper divisors (5282755).

1230827393 is an equidigital number, since it uses as much as digits as its factorization.

1230827393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282754.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1230827393 is about 35083.1497018155. The cubic root of 1230827393 is about 1071.6814605590.

The spelling of 1230827393 in words is "one billion, two hundred thirty million, eight hundred twenty-seven thousand, three hundred ninety-three".