1403313523 has 2 divisors, whose sum is σ = 1403313524. Its totient is φ = 1403313522.

The previous prime is 1403313521. The next prime is 1403313581. The reversal of 1403313523 is 3253133041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1403313523 - 2¹ = 1403313521 is a prime.

Together with 1403313521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1403313521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701656761 + 701656762.

It is an arithmetic number, because the mean of its divisors is an integer number (701656762).

Almost surely, 2^1403313523 is an apocalyptic number.

1403313523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403313523 is an equidigital number, since it uses as much as digits as its factorization.

1403313523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1403313523 is about 37460.8265125050. The cubic root of 1403313523 is about 1119.5708184997.

Adding to 1403313523 its reverse (3253133041), we get a palindrome (4656446564).

It can be divided in two parts, 14033 and 13523, that added together give a square (27556 = 166²).

The spelling of 1403313523 in words is "one billion, four hundred three million, three hundred thirteen thousand, five hundred twenty-three".