23145212450 has 48 divisors (see below), whose sum is σ = 43332613440. Its totient is φ = 9197496000.

The previous prime is 23145212443. The next prime is 23145212521. The reversal of 23145212450 is 5421254132.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6971891 + ... + 6975209.

It is an arithmetic number, because the mean of its divisors is an integer number (902762780).

Almost surely, 2^23145212450 is an apocalyptic number.

23145212450 is a deficient number, since it is larger than the sum of its proper divisors (20187400990).

23145212450 is a wasteful number, since it uses less digits than its factorization.

23145212450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4198 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 23145212450 its reverse (5421254132), we get a palindrome (28566466582).

The spelling of 23145212450 in words is "twenty-three billion, one hundred forty-five million, two hundred twelve thousand, four hundred fifty".