1404402423 has 16 divisors (see below), whose sum is σ = 1971945600. Its totient is φ = 886606560.

The previous prime is 1404402407. The next prime is 1404402431. The reversal of 1404402423 is 3242044041.

It is a happy number.

It is not a de Polignac number, because 1404402423 - 2⁴ = 1404402407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404402393 and 1404402402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404402023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188493 + ... + 195801.

It is an arithmetic number, because the mean of its divisors is an integer number (123246600).

Almost surely, 2^1404402423 is an apocalyptic number.

1404402423 is a deficient number, since it is larger than the sum of its proper divisors (567543177).

1404402423 is a wasteful number, since it uses less digits than its factorization.

1404402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1404402423 is about 37475.3575433244. The cubic root of 1404402423 is about 1119.8603203252.

Adding to 1404402423 its reverse (3242044041), we get a palindrome (4646446464).

The spelling of 1404402423 in words is "one billion, four hundred four million, four hundred two thousand, four hundred twenty-three".