23121260313106 has 4 divisors (see below), whose sum is σ = 34681890469662. Its totient is φ = 11560630156552.

The previous prime is 23121260313077. The next prime is 23121260313113. The reversal of 23121260313106 is 60131306212132.

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., 15678234180625 + 7443026132481 = 3959575^2 + 2728191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780315078275 + ... + 5780315078278.

Almost surely, 2^{23121260313106} is an apocalyptic number.

23121260313106 is a deficient number, since it is larger than the sum of its proper divisors (11560630156556).

23121260313106 is a wasteful number, since it uses less digits than its factorization.

23121260313106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560630156555.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 23121260313106 its reverse (60131306212132), we get a palindrome (83252566525238).

The spelling of 23121260313106 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred sixty million, three hundred thirteen thousand, one hundred six".