1523230405427 has 2 divisors, whose sum is σ = 1523230405428. Its totient is φ = 1523230405426.

The previous prime is 1523230405393. The next prime is 1523230405511. The reversal of 1523230405427 is 7245040323251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1523230405427 - 2³⁸ = 1248352498483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1523230402427) 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, 761615202713 + 761615202714.

It is an arithmetic number, because the mean of its divisors is an integer number (761615202714).

Almost surely, 2^{1523230405427} is an apocalyptic number.

1523230405427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523230405427 is an equidigital number, since it uses as much as digits as its factorization.

1523230405427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 1523230405427 its reverse (7245040323251), we get a palindrome (8768270728678).

The spelling of 1523230405427 in words is "one trillion, five hundred twenty-three billion, two hundred thirty million, four hundred five thousand, four hundred twenty-seven".