23220230011255 has 16 divisors (see below), whose sum is σ = 30520708009920. Its totient is φ = 16880589117952.

The previous prime is 23220230011169. The next prime is 23220230011267. The reversal of 23220230011255 is 55211003202232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23220230011255 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, 4709983339 + ... + 4709988268.

It is an arithmetic number, because the mean of its divisors is an integer number (1907544250620).

Almost surely, 2^{23220230011255} is an apocalyptic number.

23220230011255 is a deficient number, since it is larger than the sum of its proper divisors (7300477998665).

23220230011255 is a wasteful number, since it uses less digits than its factorization.

23220230011255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419971658.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 23220230011255 its reverse (55211003202232), we get a palindrome (78431233213487).

The spelling of 23220230011255 in words is "twenty-three trillion, two hundred twenty billion, two hundred thirty million, eleven thousand, two hundred fifty-five".