1403113123 has 2 divisors, whose sum is σ = 1403113124. Its totient is φ = 1403113122.

The previous prime is 1403113099. The next prime is 1403113133. The reversal of 1403113123 is 3213113041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1403113123 - 2¹⁷ = 1402982051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1403113123.

It is not a weakly prime, because it can be changed into another prime (1403113133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701556561 + 701556562.

It is an arithmetic number, because the mean of its divisors is an integer number (701556562).

Almost surely, 2^1403113123 is an apocalyptic number.

1403113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403113123 is an equidigital number, since it uses as much as digits as its factorization.

1403113123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1403113123 is about 37458.1516228444. The cubic root of 1403113123 is about 1119.5175225756.

Adding to 1403113123 its reverse (3213113041), we get a palindrome (4616226164).

The spelling of 1403113123 in words is "one billion, four hundred three million, one hundred thirteen thousand, one hundred twenty-three".