23515453245 has 16 divisors (see below), whose sum is σ = 37689946560. Its totient is φ = 12519834624.

The previous prime is 23515453243. The next prime is 23515453261. The reversal of 23515453245 is 54235451532.

It is not a de Polignac number, because 23515453245 - 2¹ = 23515453243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23515453243) 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, 1349835 + ... + 1367144.

It is an arithmetic number, because the mean of its divisors is an integer number (2355621660).

Almost surely, 2^23515453245 is an apocalyptic number.

It is an amenable number.

23515453245 is a deficient number, since it is larger than the sum of its proper divisors (14174493315).

23515453245 is a wasteful number, since it uses less digits than its factorization.

23515453245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717564.

The product of its digits is 360000, while the sum is 39.

The spelling of 23515453245 in words is "twenty-three billion, five hundred fifteen million, four hundred fifty-three thousand, two hundred forty-five".