123113011 has 8 divisors (see below), whose sum is σ = 143355744. Its totient is φ = 103534080.

The previous prime is 123112981. The next prime is 123113017. The reversal of 123113011 is 110311321.

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

It is a cyclic number.

It is not a de Polignac number, because 123113011 - 2¹¹ = 123110963 is a prime.

It is a super-2 number, since 2×123113011² = 30313626954972242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123112982 and 123113000.

It is not an unprimeable number, because it can be changed into a prime (123113017) 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, 165550 + ... + 166291.

It is an arithmetic number, because the mean of its divisors is an integer number (17919468).

Almost surely, 2^123113011 is an apocalyptic number.

123113011 is a deficient number, since it is larger than the sum of its proper divisors (20242733).

123113011 is an equidigital number, since it uses as much as digits as its factorization.

123113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331901.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 123113011 is about 11095.6302660101. The cubic root of 123113011 is about 497.4712470441.

Adding to 123113011 its reverse (110311321), we get a palindrome (233424332).

The spelling of 123113011 in words is "one hundred twenty-three million, one hundred thirteen thousand, eleven".