1230333142457 has 2 divisors, whose sum is σ = 1230333142458. Its totient is φ = 1230333142456.

The previous prime is 1230333142403. The next prime is 1230333142483. The reversal of 1230333142457 is 7542413330321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080375226921 + 149957915536 = 1039411^2 + 387244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230333142457 - 2¹⁴ = 1230333126073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230333142457.

It is not a weakly prime, because it can be changed into another prime (1230333142487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615166571228 + 615166571229.

It is an arithmetic number, because the mean of its divisors is an integer number (615166571229).

Almost surely, 2^{1230333142457} is an apocalyptic number.

It is an amenable number.

1230333142457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230333142457 is an equidigital number, since it uses as much as digits as its factorization.

1230333142457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 1230333142457 its reverse (7542413330321), we get a palindrome (8772746472778).

The spelling of 1230333142457 in words is "one trillion, two hundred thirty billion, three hundred thirty-three million, one hundred forty-two thousand, four hundred fifty-seven".