2403345453 has 16 divisors (see below), whose sum is σ = 3237911040. Its totient is φ = 1585527984.

The previous prime is 2403345407. The next prime is 2403345479. The reversal of 2403345453 is 3545433042.

It is a happy number.

It is not a de Polignac number, because 2403345453 - 2²⁴ = 2386568237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403344453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758250 + ... + 761412.

It is an arithmetic number, because the mean of its divisors is an integer number (202369440).

Almost surely, 2^2403345453 is an apocalyptic number.

It is an amenable number.

2403345453 is a deficient number, since it is larger than the sum of its proper divisors (834565587).

2403345453 is a wasteful number, since it uses less digits than its factorization.

2403345453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728.

The product of its (nonzero) digits is 86400, while the sum is 33.

The square root of 2403345453 is about 49023.9273518554. The cubic root of 2403345453 is about 1339.4877103518.

Adding to 2403345453 its reverse (3545433042), we get a palindrome (5948778495).

The spelling of 2403345453 in words is "two billion, four hundred three million, three hundred forty-five thousand, four hundred fifty-three".