23212356770518 has 64 divisors (see below), whose sum is σ = 38285822615040. Its totient is φ = 10505944829952.

The previous prime is 23212356770483. The next prime is 23212356770539. The reversal of 23212356770518 is 81507765321232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4648977430 + ... + 4648982422.

It is an arithmetic number, because the mean of its divisors is an integer number (598215978360).

Almost surely, 2^{23212356770518} is an apocalyptic number.

23212356770518 is a deficient number, since it is larger than the sum of its proper divisors (15073465844522).

23212356770518 is a wasteful number, since it uses less digits than its factorization.

23212356770518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 23212356770518 in words is "twenty-three trillion, two hundred twelve billion, three hundred fifty-six million, seven hundred seventy thousand, five hundred eighteen".