1403252523 has 6 divisors (see below), whose sum is σ = 2026920324. Its totient is φ = 935501676.

The previous prime is 1403252453. The next prime is 1403252549. The reversal of 1403252523 is 3252523041.

It is a happy number.

1403252523 is a `hidden beast` number, since 1 + 403 + 2 + 5 + 252 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1403252523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1403252423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77958465 + ... + 77958482.

It is an arithmetic number, because the mean of its divisors is an integer number (337820054).

Almost surely, 2^1403252523 is an apocalyptic number.

1403252523 is a deficient number, since it is larger than the sum of its proper divisors (623667801).

1403252523 is a wasteful number, since it uses less digits than its factorization.

1403252523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155916953 (or 155916950 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1403252523 is about 37460.0123198058. The cubic root of 1403252523 is about 1119.5545962257.

Adding to 1403252523 its reverse (3252523041), we get a palindrome (4655775564).

The spelling of 1403252523 in words is "one billion, four hundred three million, two hundred fifty-two thousand, five hundred twenty-three".