211023004 has 12 divisors (see below), whose sum is σ = 369536328. Its totient is φ = 105441200.

The previous prime is 211022993. The next prime is 211023049. The reversal of 211023004 is 400320112.

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, 10507 + ... + 23074.

It is an arithmetic number, because the mean of its divisors is an integer number (30794694).

Almost surely, 2^211023004 is an apocalyptic number.

It is an amenable number.

211023004 is a deficient number, since it is larger than the sum of its proper divisors (158513324).

211023004 is a wasteful number, since it uses less digits than its factorization.

211023004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35156 (or 35154 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211023004 is about 14526.6308550882. The cubic root of 211023004 is about 595.3558157054.

Adding to 211023004 its reverse (400320112), we get a palindrome (611343116).

The spelling of 211023004 in words is "two hundred eleven million, twenty-three thousand, four".