1401323123 has 8 divisors (see below), whose sum is σ = 1450926000. Its totient is φ = 1351805728.

The previous prime is 1401323117. The next prime is 1401323129. The reversal of 1401323123 is 3213231041.

It is an interprime number because it is at equal distance from previous prime (1401323117) and next prime (1401323129).

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 1401323123 - 2¹⁶ = 1401257587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401323095 and 1401323104.

It is not an unprimeable number, because it can be changed into a prime (1401323129) 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, 12953 + ... + 54501.

It is an arithmetic number, because the mean of its divisors is an integer number (181365750).

Almost surely, 2^1401323123 is an apocalyptic number.

1401323123 is a deficient number, since it is larger than the sum of its proper divisors (49602877).

1401323123 is a wasteful number, since it uses less digits than its factorization.

1401323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42741.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1401323123 is about 37434.2506670028. The cubic root of 1401323123 is about 1119.0412508955.

Adding to 1401323123 its reverse (3213231041), we get a palindrome (4614554164).

The spelling of 1401323123 in words is "one billion, four hundred one million, three hundred twenty-three thousand, one hundred twenty-three".