211023414 has 64 divisors (see below), whose sum is σ = 567475200. Its totient is φ = 56744064.

The previous prime is 211023391. The next prime is 211023419. The reversal of 211023414 is 414320112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211023419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9994 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (8866800).

Almost surely, 2^211023414 is an apocalyptic number.

211023414 is an abundant number, since it is smaller than the sum of its proper divisors (356451786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211023414 is a wasteful number, since it uses less digits than its factorization.

211023414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32874 (or 32868 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 211023414 is about 14526.6449670941. The cubic root of 211023414 is about 595.3562012807.

Adding to 211023414 its reverse (414320112), we get a palindrome (625343526).

The spelling of 211023414 in words is "two hundred eleven million, twenty-three thousand, four hundred fourteen".