1230541393 has 2 divisors, whose sum is σ = 1230541394. Its totient is φ = 1230541392.

The previous prime is 1230541303. The next prime is 1230541397. The reversal of 1230541393 is 3931450321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209857089 + 20684304 = 34783^2 + 4548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230541393 - 2⁹ = 1230540881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230541397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615270696 + 615270697.

It is an arithmetic number, because the mean of its divisors is an integer number (615270697).

Almost surely, 2^1230541393 is an apocalyptic number.

It is an amenable number.

1230541393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230541393 is an equidigital number, since it uses as much as digits as its factorization.

1230541393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1230541393 is about 35079.0734341715. The cubic root of 1230541393 is about 1071.5984473918.

The spelling of 1230541393 in words is "one billion, two hundred thirty million, five hundred forty-one thousand, three hundred ninety-three".