1401530423 has 2 divisors, whose sum is σ = 1401530424. Its totient is φ = 1401530422.

The previous prime is 1401530401. The next prime is 1401530443. The reversal of 1401530423 is 3240351041.

It is a strong prime.

It is an emirp because it is prime and its reverse (3240351041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401530423 - 2²⁸ = 1133094967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401530443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700765211 + 700765212.

It is an arithmetic number, because the mean of its divisors is an integer number (700765212).

Almost surely, 2^1401530423 is an apocalyptic number.

1401530423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401530423 is an equidigital number, since it uses as much as digits as its factorization.

1401530423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1401530423 is about 37437.0194192860. The cubic root of 1401530423 is about 1119.0964287031.

Adding to 1401530423 its reverse (3240351041), we get a palindrome (4641881464).

The spelling of 1401530423 in words is "one billion, four hundred one million, five hundred thirty thousand, four hundred twenty-three".