23032520453 has 4 divisors (see below), whose sum is σ = 23043280428. Its totient is φ = 23021760480.

The previous prime is 23032520449. The next prime is 23032520503. The reversal of 23032520453 is 35402523032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21743566849 + 1288953604 = 147457^2 + 35902^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032520453 - 2² = 23032520449 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 (23032529453) 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, 5376776 + ... + 5381057.

It is an arithmetic number, because the mean of its divisors is an integer number (5760820107).

Almost surely, 2^23032520453 is an apocalyptic number.

It is an amenable number.

23032520453 is a deficient number, since it is larger than the sum of its proper divisors (10759975).

23032520453 is a wasteful number, since it uses less digits than its factorization.

23032520453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759974.

The product of its (nonzero) digits is 21600, while the sum is 29.

The spelling of 23032520453 in words is "twenty-three billion, thirty-two million, five hundred twenty thousand, four hundred fifty-three".