23101213443111 has 32 divisors (see below), whose sum is σ = 34435278109440. Its totient is φ = 15305951052000.

The previous prime is 23101213443101. The next prime is 23101213443137. The reversal of 23101213443111 is 11134431210132.

23101213443111 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 1 + 2 + 1 + 344 + 311 + 1 = 666.

It is not a de Polignac number, because 23101213443111 - 2¹³ = 23101213434919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101213443101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101316 + ... + 6885878.

It is an arithmetic number, because the mean of its divisors is an integer number (1076102440920).

Almost surely, 2^{23101213443111} is an apocalyptic number.

23101213443111 is a deficient number, since it is larger than the sum of its proper divisors (11334064666329).

23101213443111 is a wasteful number, since it uses less digits than its factorization.

23101213443111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785484 (or 5785478 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 23101213443111 its reverse (11134431210132), we get a palindrome (34235644653243).

The spelling of 23101213443111 in words is "twenty-three trillion, one hundred one billion, two hundred thirteen million, four hundred forty-three thousand, one hundred eleven".