23215205344 has 12 divisors (see below), whose sum is σ = 45704935584. Its totient is φ = 11607602656.

The previous prime is 23215205341. The next prime is 23215205353. The reversal of 23215205344 is 44350251232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215205341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362737552 + ... + 362737615.

It is an arithmetic number, because the mean of its divisors is an integer number (3808744632).

Almost surely, 2^23215205344 is an apocalyptic number.

It is an amenable number.

23215205344 is a deficient number, since it is larger than the sum of its proper divisors (22489730240).

23215205344 is an equidigital number, since it uses as much as digits as its factorization.

23215205344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725475177 (or 725475169 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 23215205344 its reverse (44350251232), we get a palindrome (67565456576).

The spelling of 23215205344 in words is "twenty-three billion, two hundred fifteen million, two hundred five thousand, three hundred forty-four".