1401320023 has 8 divisors (see below), whose sum is σ = 1414965200. Its totient is φ = 1387689408.

The previous prime is 1401320003. The next prime is 1401320027. The reversal of 1401320023 is 3200231041.

It is a happy number.

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 1401320023 - 2²⁵ = 1367765591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401319979 and 1401320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401320027) 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, 382840 + ... + 386482.

It is an arithmetic number, because the mean of its divisors is an integer number (176870650).

Almost surely, 2^1401320023 is an apocalyptic number.

1401320023 is a deficient number, since it is larger than the sum of its proper divisors (13645177).

1401320023 is a wasteful number, since it uses less digits than its factorization.

1401320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1401320023 is about 37434.2092610489. The cubic root of 1401320023 is about 1119.0404257157.

Adding to 1401320023 its reverse (3200231041), we get a palindrome (4601551064).

The spelling of 1401320023 in words is "one billion, four hundred one million, three hundred twenty thousand, twenty-three".