23401212122 has 4 divisors (see below), whose sum is σ = 35101818186. Its totient is φ = 11700606060.

The previous prime is 23401212103. The next prime is 23401212139. The reversal of 23401212122 is 22121210432.

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., 19234638721 + 4166573401 = 138689^2 + 64549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23401212094 and 23401212103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850303029 + ... + 5850303032.

Almost surely, 2^23401212122 is an apocalyptic number.

23401212122 is a deficient number, since it is larger than the sum of its proper divisors (11700606064).

23401212122 is a wasteful number, since it uses less digits than its factorization.

23401212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700606063.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23401212122 its reverse (22121210432), we get a palindrome (45522422554).

The spelling of 23401212122 in words is "twenty-three billion, four hundred one million, two hundred twelve thousand, one hundred twenty-two".