211823034 has 16 divisors (see below), whose sum is σ = 423804960. Its totient is φ = 70581200.

The previous prime is 211823023. The next prime is 211823041. The reversal of 211823034 is 430328112.

It is a junction number, because it is equal to n+sod(n) for n = 211822995 and 211823013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17437 + ... + 26975.

It is an arithmetic number, because the mean of its divisors is an integer number (26487810).

Almost surely, 2^211823034 is an apocalyptic number.

211823034 is an abundant number, since it is smaller than the sum of its proper divisors (211981926).

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

211823034 is a wasteful number, since it uses less digits than its factorization.

211823034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 211823034 is about 14554.1414724469. The cubic root of 211823034 is about 596.1072375090.

It can be divided in two parts, 2118 and 23034, that added together give a palindrome (25152).

The spelling of 211823034 in words is "two hundred eleven million, eight hundred twenty-three thousand, thirty-four".