1401433423 has 32 divisors (see below), whose sum is σ = 1600724160. Its totient is φ = 1218032640.

The previous prime is 1401433393. The next prime is 1401433441. The reversal of 1401433423 is 3243341041.

It is a cyclic number.

It is not a de Polignac number, because 1401433423 - 2⁵ = 1401433391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401433123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3529861 + ... + 3530257.

It is an arithmetic number, because the mean of its divisors is an integer number (50022630).

Almost surely, 2^1401433423 is an apocalyptic number.

1401433423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1401433423 is a deficient number, since it is larger than the sum of its proper divisors (199290737).

1401433423 is a wasteful number, since it uses less digits than its factorization.

1401433423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1401433423 is about 37435.7238877519. The cubic root of 1401433423 is about 1119.0706105318.

Adding to 1401433423 its reverse (3243341041), we get a palindrome (4644774464).

It can be divided in two parts, 1401433 and 423, that added together give a square (1401856 = 1184²).

The spelling of 1401433423 in words is "one billion, four hundred one million, four hundred thirty-three thousand, four hundred twenty-three".