1403251223 has 16 divisors (see below), whose sum is σ = 1565291520. Its totient is φ = 1247023200.

The previous prime is 1403251219. The next prime is 1403251231. The reversal of 1403251223 is 3221523041.

It is a cyclic number.

It is not a de Polignac number, because 1403251223 - 2² = 1403251219 is a prime.

It is a super-2 number, since 2×1403251223² = 3938227989701991458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403251273) 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, 805133 + ... + 806873.

It is an arithmetic number, because the mean of its divisors is an integer number (97830720).

Almost surely, 2^1403251223 is an apocalyptic number.

1403251223 is a deficient number, since it is larger than the sum of its proper divisors (162040297).

1403251223 is a wasteful number, since it uses less digits than its factorization.

1403251223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1403251223 is about 37459.9949679655. The cubic root of 1403251223 is about 1119.5542504999.

Adding to 1403251223 its reverse (3221523041), we get a palindrome (4624774264).

The spelling of 1403251223 in words is "one billion, four hundred three million, two hundred fifty-one thousand, two hundred twenty-three".