1404142423 has 2 divisors, whose sum is σ = 1404142424. Its totient is φ = 1404142422.

The previous prime is 1404142417. The next prime is 1404142459. The reversal of 1404142423 is 3242414041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1404142423 - 2⁵ = 1404142391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404142403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702071211 + 702071212.

It is an arithmetic number, because the mean of its divisors is an integer number (702071212).

Almost surely, 2^1404142423 is an apocalyptic number.

1404142423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404142423 is an equidigital number, since it uses as much as digits as its factorization.

1404142423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1404142423 is about 37471.8884365333. Note that the first 3 decimals coincide. The cubic root of 1404142423 is about 1119.7912086878.

Adding to 1404142423 its reverse (3242414041), we get a palindrome (4646556464).

The spelling of 1404142423 in words is "one billion, four hundred four million, one hundred forty-two thousand, four hundred twenty-three".