23500245231 has 32 divisors (see below), whose sum is σ = 35904862400. Its totient is φ = 15179996160.

The previous prime is 23500245221. The next prime is 23500245253. The reversal of 23500245231 is 13254200532.

It is a happy number.

It is not a de Polignac number, because 23500245231 - 2¹⁷ = 23500114159 is a prime.

It is a super-2 number, since 2×23500245231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23500245195 and 23500245204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23500245221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191955 + ... + 289563.

It is an arithmetic number, because the mean of its divisors is an integer number (1122026950).

Almost surely, 2^23500245231 is an apocalyptic number.

23500245231 is a deficient number, since it is larger than the sum of its proper divisors (12404617169).

23500245231 is a wasteful number, since it uses less digits than its factorization.

23500245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97896 (or 97890 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 23500245231 its reverse (13254200532), we get a palindrome (36754445763).

The spelling of 23500245231 in words is "twenty-three billion, five hundred million, two hundred forty-five thousand, two hundred thirty-one".