23213244205 has 16 divisors (see below), whose sum is σ = 29338706880. Its totient is φ = 17583167232.

The previous prime is 23213244179. The next prime is 23213244233. The reversal of 23213244205 is 50244231232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23213244205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100062 + ... + 237568.

It is an arithmetic number, because the mean of its divisors is an integer number (1833669180).

Almost surely, 2^23213244205 is an apocalyptic number.

It is an amenable number.

23213244205 is a deficient number, since it is larger than the sum of its proper divisors (6125462675).

23213244205 is a wasteful number, since it uses less digits than its factorization.

23213244205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139308.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 23213244205 its reverse (50244231232), we get a palindrome (73457475437).

The spelling of 23213244205 in words is "twenty-three billion, two hundred thirteen million, two hundred forty-four thousand, two hundred five".