1401016823 has 2 divisors, whose sum is σ = 1401016824. Its totient is φ = 1401016822.

The previous prime is 1401016817. The next prime is 1401016847. The reversal of 1401016823 is 3286101041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401016823 - 2¹⁴ = 1401000439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401016792 and 1401016801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401018823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700508411 + 700508412.

It is an arithmetic number, because the mean of its divisors is an integer number (700508412).

Almost surely, 2^1401016823 is an apocalyptic number.

1401016823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401016823 is an equidigital number, since it uses as much as digits as its factorization.

1401016823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1401016823 is about 37430.1592702997. The cubic root of 1401016823 is about 1118.9597119303.

Adding to 1401016823 its reverse (3286101041), we get a palindrome (4687117864).

The spelling of 1401016823 in words is "one billion, four hundred one million, sixteen thousand, eight hundred twenty-three".