23555214245 has 4 divisors (see below), whose sum is σ = 28266257100. Its totient is φ = 18844171392.

The previous prime is 23555214211. The next prime is 23555214253. The reversal of 23555214245 is 54241255532.

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 16961936644 + 6593277601 = 130238^2 + 81199^2 .

It is a cyclic number.

It is not a de Polignac number, because 23555214245 - 2¹⁸ = 23554952101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23555214199 and 23555214208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355521420 + ... + 2355521429.

It is an arithmetic number, because the mean of its divisors is an integer number (7066564275).

Almost surely, 2^23555214245 is an apocalyptic number.

It is an amenable number.

23555214245 is a deficient number, since it is larger than the sum of its proper divisors (4711042855).

23555214245 is an equidigital number, since it uses as much as digits as its factorization.

23555214245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711042854.

The product of its digits is 240000, while the sum is 38.

Adding to 23555214245 its reverse (54241255532), we get a palindrome (77796469777).

The spelling of 23555214245 in words is "twenty-three billion, five hundred fifty-five million, two hundred fourteen thousand, two hundred forty-five".