1403231263 has 16 divisors (see below), whose sum is σ = 1689425920. Its totient is φ = 1138569696.

The previous prime is 1403231261. The next prime is 1403231281. The reversal of 1403231263 is 3621323041.

It is a cyclic number.

It is not a de Polignac number, because 1403231263 - 2¹ = 1403231261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403231261) 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 in 15 ways as a sum of consecutive naturals, for example, 205045 + ... + 211777.

It is an arithmetic number, because the mean of its divisors is an integer number (105589120).

Almost surely, 2^1403231263 is an apocalyptic number.

1403231263 is a deficient number, since it is larger than the sum of its proper divisors (286194657).

1403231263 is a wasteful number, since it uses less digits than its factorization.

1403231263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8326.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1403231263 is about 37459.7285494703. The cubic root of 1403231263 is about 1119.5489422538.

The spelling of 1403231263 in words is "one billion, four hundred three million, two hundred thirty-one thousand, two hundred sixty-three".