23212356770516 has 12 divisors (see below), whose sum is σ = 40730529510132. Its totient is φ = 11575062624768.

The previous prime is 23212356770483. The next prime is 23212356770539. The reversal of 23212356770516 is 61507765321232.

It can be written as a sum of positive squares in 2 ways, for example, as 5211038872900 + 18001317897616 = 2282770^2 + 4242796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7778938445 + ... + 7778941428.

It is an arithmetic number, because the mean of its divisors is an integer number (3394210792511).

Almost surely, 2^{23212356770516} is an apocalyptic number.

It is an amenable number.

23212356770516 is a deficient number, since it is larger than the sum of its proper divisors (17518172739616).

23212356770516 is a wasteful number, since it uses less digits than its factorization.

23212356770516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557880250 (or 15557880248 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 23212356770516 in words is "twenty-three trillion, two hundred twelve billion, three hundred fifty-six million, seven hundred seventy thousand, five hundred sixteen".