23403304453 has 8 divisors (see below), whose sum is σ = 23669294040. Its totient is φ = 23137382400.

The previous prime is 23403304411. The next prime is 23403304459. The reversal of 23403304453 is 35440330432.

It can be written as a sum of positive squares in 4 ways, for example, as 281669089 + 23121635364 = 16783^2 + 152058^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23403304453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403304459) 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, 1084101 + ... + 1105477.

It is an arithmetic number, because the mean of its divisors is an integer number (2958661755).

Almost surely, 2^23403304453 is an apocalyptic number.

It is an amenable number.

23403304453 is a deficient number, since it is larger than the sum of its proper divisors (265989587).

23403304453 is a wasteful number, since it uses less digits than its factorization.

23403304453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33767.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 23403304453 its reverse (35440330432), we get a palindrome (58843634885).

The spelling of 23403304453 in words is "twenty-three billion, four hundred three million, three hundred four thousand, four hundred fifty-three".