1423401311 has 2 divisors, whose sum is σ = 1423401312. Its totient is φ = 1423401310.

The previous prime is 1423401307. The next prime is 1423401323. The reversal of 1423401311 is 1131043241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423401311 - 2² = 1423401307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423409311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711700655 + 711700656.

It is an arithmetic number, because the mean of its divisors is an integer number (711700656).

Almost surely, 2^1423401311 is an apocalyptic number.

1423401311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423401311 is an equidigital number, since it uses as much as digits as its factorization.

1423401311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1423401311 is about 37727.9910808938. The cubic root of 1423401311 is about 1124.8875768480.

Adding to 1423401311 its reverse (1131043241), we get a palindrome (2554444552).

The spelling of 1423401311 in words is "one billion, four hundred twenty-three million, four hundred one thousand, three hundred eleven".