23012312122 has 4 divisors (see below), whose sum is σ = 34518468186. Its totient is φ = 11506156060.

The previous prime is 23012312117. The next prime is 23012312149. The reversal of 23012312122 is 22121321032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20169396361 + 2842915761 = 142019^2 + 53319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23012312122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5753078029 + ... + 5753078032.

Almost surely, 2^23012312122 is an apocalyptic number.

23012312122 is a deficient number, since it is larger than the sum of its proper divisors (11506156064).

23012312122 is a wasteful number, since it uses less digits than its factorization.

23012312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506156063.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23012312122 its reverse (22121321032), we get a palindrome (45133633154).

The spelling of 23012312122 in words is "twenty-three billion, twelve million, three hundred twelve thousand, one hundred twenty-two".