13453402403 has 8 divisors (see below), whose sum is σ = 15389265408. Its totient is φ = 11521026504.

The previous prime is 13453402399. The next prime is 13453402423. The reversal of 13453402403 is 30420435431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13453402403 - 2² = 13453402399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13453402423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863501 + ... + 878942.

It is an arithmetic number, because the mean of its divisors is an integer number (1923658176).

Almost surely, 2^13453402403 is an apocalyptic number.

13453402403 is a deficient number, since it is larger than the sum of its proper divisors (1935863005).

13453402403 is a wasteful number, since it uses less digits than its factorization.

13453402403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743553.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 13453402403 its reverse (30420435431), we get a palindrome (43873837834).

The spelling of 13453402403 in words is "thirteen billion, four hundred fifty-three million, four hundred two thousand, four hundred three".