23817607245 has 12 divisors (see below), whose sum is σ = 41283852636. Its totient is φ = 12702723840.

The previous prime is 23817607211. The next prime is 23817607267. The reversal of 23817607245 is 54270671832.

23817607245 is a `hidden beast` number, since 2 + 3 + 8 + 17 + 607 + 24 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16785275364 + 7032331881 = 129558^2 + 83859^2 .

It is not a de Polignac number, because 23817607245 - 2¹³ = 23817599053 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 529280161 = 23817607245 / (2 + 3 + 8 + 1 + 7 + 6 + 0 + 7 + 2 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23817607245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264640036 + ... + 264640125.

It is an arithmetic number, because the mean of its divisors is an integer number (3440321053).

Almost surely, 2^23817607245 is an apocalyptic number.

It is an amenable number.

23817607245 is a deficient number, since it is larger than the sum of its proper divisors (17466245391).

23817607245 is a wasteful number, since it uses less digits than its factorization.

23817607245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529280172 (or 529280169 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 23817607245 in words is "twenty-three billion, eight hundred seventeen million, six hundred seven thousand, two hundred forty-five".