23305712657453 has 4 divisors (see below), whose sum is σ = 23307044658300. Its totient is φ = 23304380656608.

The previous prime is 23305712657417. The next prime is 23305712657489. The reversal of 23305712657453 is 35475621750332.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23305712657417) and next prime (23305712657489).

It can be written as a sum of positive squares in 2 ways, for example, as 5520911514244 + 17784801143209 = 2349662^2 + 4217203^2 .

It is a cyclic number.

It is not a de Polignac number, because 23305712657453 - 2²⁶ = 23305645548589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23305712657395 and 23305712657404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305712654453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665974178 + ... + 666009171.

It is an arithmetic number, because the mean of its divisors is an integer number (5826761164575).

Almost surely, 2^{23305712657453} is an apocalyptic number.

It is an amenable number.

23305712657453 is a deficient number, since it is larger than the sum of its proper divisors (1332000847).

23305712657453 is a wasteful number, since it uses less digits than its factorization.

23305712657453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332000846.

The product of its (nonzero) digits is 15876000, while the sum is 53.

The spelling of 23305712657453 in words is "twenty-three trillion, three hundred five billion, seven hundred twelve million, six hundred fifty-seven thousand, four hundred fifty-three".