211723283152 has 20 divisors (see below), whose sum is σ = 421300723396. Its totient is φ = 103000515840.

The previous prime is 211723283119. The next prime is 211723283153. The reversal of 211723283152 is 251382327112.

It can be written as a sum of positive squares in 2 ways, for example, as 179331922576 + 32391360576 = 423476^2 + 179976^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211723283153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178819749 + ... + 178820932.

Almost surely, 2^211723283152 is an apocalyptic number.

It is an amenable number.

211723283152 is a deficient number, since it is larger than the sum of its proper divisors (209577440244).

211723283152 is a wasteful number, since it uses less digits than its factorization.

211723283152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357640726 (or 357640720 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The spelling of 211723283152 in words is "two hundred eleven billion, seven hundred twenty-three million, two hundred eighty-three thousand, one hundred fifty-two".