212623743047 has 8 divisors (see below), whose sum is σ = 214836061776. Its totient is φ = 210411839232.

The previous prime is 212623743037. The next prime is 212623743071. The reversal of 212623743047 is 740347326212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212623743047 is a prime.

It is a super-2 number, since 2×212623743047² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212623742995 and 212623743013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212623743037) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 985688 + ... + 1181874.

It is an arithmetic number, because the mean of its divisors is an integer number (26854507722).

Almost surely, 2^212623743047 is an apocalyptic number.

212623743047 is a deficient number, since it is larger than the sum of its proper divisors (2212318729).

212623743047 is a wasteful number, since it uses less digits than its factorization.

212623743047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207457.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 212623743047 in words is "two hundred twelve billion, six hundred twenty-three million, seven hundred forty-three thousand, forty-seven".