1401120043323 has 128 divisors (see below), whose sum is σ = 2611394709504. Its totient is φ = 644748595200.

The previous prime is 1401120043261. The next prime is 1401120043333. The reversal of 1401120043323 is 3233400211041.

It is a happy number.

It is not a de Polignac number, because 1401120043323 - 2⁶ = 1401120043259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401120043293 and 1401120043302.

It is not an unprimeable number, because it can be changed into a prime (1401120043333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8024733 + ... + 8197473.

It is an arithmetic number, because the mean of its divisors is an integer number (20401521168).

Almost surely, 2^{1401120043323} is an apocalyptic number.

1401120043323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1401120043323 is a deficient number, since it is larger than the sum of its proper divisors (1210274666181).

1401120043323 is a wasteful number, since it uses less digits than its factorization.

1401120043323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172885.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1401120043323 its reverse (3233400211041), we get a palindrome (4634520254364).

The spelling of 1401120043323 in words is "one trillion, four hundred one billion, one hundred twenty million, forty-three thousand, three hundred twenty-three".