123244243011 has 32 divisors (see below), whose sum is σ = 184971699200. Its totient is φ = 81089255520.

The previous prime is 123244243009. The next prime is 123244243037. The reversal of 123244243011 is 110342442321.

123244243011 is a `hidden beast` number, since 1 + 232 + 4 + 424 + 3 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 123244243011 - 2¹ = 123244243009 is a prime.

It is a super-2 number, since 2×123244243011² (a number of 23 digits) contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123244243051) 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, 5814645 + ... + 5835801.

It is an arithmetic number, because the mean of its divisors is an integer number (5780365600).

Almost surely, 2^123244243011 is an apocalyptic number.

123244243011 is a deficient number, since it is larger than the sum of its proper divisors (61727456189).

123244243011 is a wasteful number, since it uses less digits than its factorization.

123244243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23976 (or 23970 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 123244243011 its reverse (110342442321), we get a palindrome (233586685332).

The spelling of 123244243011 in words is "one hundred twenty-three billion, two hundred forty-four million, two hundred forty-three thousand, eleven".