1401131423 has 8 divisors (see below), whose sum is σ = 1408821120. Its totient is φ = 1393460640.

The previous prime is 1401131419. The next prime is 1401131477. The reversal of 1401131423 is 3241311041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401131423 - 2² = 1401131419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401131395 and 1401131404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401131023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158993 + ... + 167573.

It is an arithmetic number, because the mean of its divisors is an integer number (176102640).

Almost surely, 2^1401131423 is an apocalyptic number.

1401131423 is a deficient number, since it is larger than the sum of its proper divisors (7689697).

1401131423 is an equidigital number, since it uses as much as digits as its factorization.

1401131423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457.

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

The square root of 1401131423 is about 37431.6900900828. The cubic root of 1401131423 is about 1118.9902205544.

Adding to 1401131423 its reverse (3241311041), we get a palindrome (4642442464).

The spelling of 1401131423 in words is "one billion, four hundred one million, one hundred thirty-one thousand, four hundred twenty-three".