23311212122 has 16 divisors (see below), whose sum is σ = 38339259552. Its totient is φ = 10542216720.

The previous prime is 23311212019. The next prime is 23311212131. The reversal of 23311212122 is 22121211332.

It is a super-2 number, since 2×23311212122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23311212094 and 23311212103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685008 + ... + 2693675.

It is an arithmetic number, because the mean of its divisors is an integer number (2396203722).

Almost surely, 2^23311212122 is an apocalyptic number.

23311212122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23311212122 is a deficient number, since it is larger than the sum of its proper divisors (15028047430).

23311212122 is a wasteful number, since it uses less digits than its factorization.

23311212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378893.

The product of its digits is 288, while the sum is 20.

Adding to 23311212122 its reverse (22121211332), we get a palindrome (45432423454).

The spelling of 23311212122 in words is "twenty-three billion, three hundred eleven million, two hundred twelve thousand, one hundred twenty-two".