23200055311 has 16 divisors (see below), whose sum is σ = 25005109248. Its totient is φ = 21462249600.

The previous prime is 23200055309. The next prime is 23200055381. The reversal of 23200055311 is 11355000232.

It is a cyclic number.

It is not a de Polignac number, because 23200055311 - 2¹ = 23200055309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200055381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257846 + ... + 1276156.

It is an arithmetic number, because the mean of its divisors is an integer number (1562819328).

Almost surely, 2^23200055311 is an apocalyptic number.

23200055311 is a deficient number, since it is larger than the sum of its proper divisors (1805053937).

23200055311 is a wasteful number, since it uses less digits than its factorization.

23200055311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 23200055311 its reverse (11355000232), we get a palindrome (34555055543).

The spelling of 23200055311 in words is "twenty-three billion, two hundred million, fifty-five thousand, three hundred eleven".