23311312011223 has 16 divisors (see below), whose sum is σ = 24840776641824. Its totient is φ = 21799437603840.

The previous prime is 23311312011217. The next prime is 23311312011289. The reversal of 23311312011223 is 32211021311332.

It is a cyclic number.

It is not a de Polignac number, because 23311312011223 - 2⁵ = 23311312011191 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 (23311312011023) 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, 71866483 + ... + 72190123.

It is an arithmetic number, because the mean of its divisors is an integer number (1552548540114).

Almost surely, 2^{23311312011223} is an apocalyptic number.

23311312011223 is a deficient number, since it is larger than the sum of its proper divisors (1529464630601).

23311312011223 is a wasteful number, since it uses less digits than its factorization.

23311312011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350802.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23311312011223 its reverse (32211021311332), we get a palindrome (55522333322555).

The spelling of 23311312011223 in words is "twenty-three trillion, three hundred eleven billion, three hundred twelve million, eleven thousand, two hundred twenty-three".