211423302004 has 6 divisors (see below), whose sum is σ = 369990778514. Its totient is φ = 105711651000.

The previous prime is 211423302001. The next prime is 211423302061. The reversal of 211423302004 is 400203324112.

It can be written as a sum of positive squares in only one way, i.e., 156009200400 + 55414101604 = 394980^2 + 235402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211423302001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26427912747 + ... + 26427912754.

Almost surely, 2^211423302004 is an apocalyptic number.

It is an amenable number.

211423302004 is a deficient number, since it is larger than the sum of its proper divisors (158567476510).

211423302004 is a wasteful number, since it uses less digits than its factorization.

211423302004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52855825505 (or 52855825503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 211423302004 its reverse (400203324112), we get a palindrome (611626626116).

The spelling of 211423302004 in words is "two hundred eleven billion, four hundred twenty-three million, three hundred two thousand, four".