113403453 has 16 divisors (see below), whose sum is σ = 154752000. Its totient is φ = 73846080.

The previous prime is 113403443. The next prime is 113403461. The reversal of 113403453 is 354304311.

It is a happy number.

It is not a de Polignac number, because 113403453 - 2¹⁴ = 113387069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403443) 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, 25188 + ... + 29346.

It is an arithmetic number, because the mean of its divisors is an integer number (9672000).

Almost surely, 2^113403453 is an apocalyptic number.

It is an amenable number.

113403453 is a deficient number, since it is larger than the sum of its proper divisors (41348547).

113403453 is a wasteful number, since it uses less digits than its factorization.

113403453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 113403453 is about 10649.1057371030. The cubic root of 113403453 is about 484.0335066050.

Adding to 113403453 its reverse (354304311), we get a palindrome (467707764).

The spelling of 113403453 in words is "one hundred thirteen million, four hundred three thousand, four hundred fifty-three".