1401343123 has 8 divisors (see below), whose sum is σ = 1424500992. Its totient is φ = 1378251336.

The previous prime is 1401343121. The next prime is 1401343147. The reversal of 1401343123 is 3213431041.

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 1401343123 - 2¹ = 1401343121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401343094 and 1401343103.

It is not an unprimeable number, because it can be changed into a prime (1401343121) 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, 27186 + ... + 59512.

It is an arithmetic number, because the mean of its divisors is an integer number (178062624).

Almost surely, 2^1401343123 is an apocalyptic number.

1401343123 is a deficient number, since it is larger than the sum of its proper divisors (23157869).

1401343123 is an equidigital number, since it uses as much as digits as its factorization.

1401343123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33041.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1401343123 is about 37434.5178010883. The cubic root of 1401343123 is about 1119.0465746066.

Adding to 1401343123 its reverse (3213431041), we get a palindrome (4614774164).

The spelling of 1401343123 in words is "one billion, four hundred one million, three hundred forty-three thousand, one hundred twenty-three".