123113223011 has 8 divisors (see below), whose sum is σ = 124946075520. Its totient is φ = 121284326592.

The previous prime is 123113222993. The next prime is 123113223029. The reversal of 123113223011 is 110322311321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123113222993) and next prime (123113223029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123113223011 is a prime.

It is a super-2 number, since 2×123113223011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123113223031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926291 + ... + 1050828.

It is an arithmetic number, because the mean of its divisors is an integer number (15618259440).

Almost surely, 2^123113223011 is an apocalyptic number.

123113223011 is a deficient number, since it is larger than the sum of its proper divisors (1832852509).

123113223011 is an equidigital number, since it uses as much as digits as its factorization.

123113223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978045.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123113223011 its reverse (110322311321), we get a palindrome (233435534332).

The spelling of 123113223011 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred twenty-three thousand, eleven".