211223240030143 has 8 divisors (see below), whose sum is σ = 230429307833856. Its totient is φ = 192017831405400.

The previous prime is 211223240030129. The next prime is 211223240030191. The reversal of 211223240030143 is 341030042322112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211223240030143 - 2³³ = 211214650095551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223247030143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164124621 + ... + 165406582.

It is an arithmetic number, because the mean of its divisors is an integer number (28803663479232).

Almost surely, 2^{211223240030143} is an apocalyptic number.

211223240030143 is a deficient number, since it is larger than the sum of its proper divisors (19206067803713).

211223240030143 is a wasteful number, since it uses less digits than its factorization.

211223240030143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329589485.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 211223240030143 its reverse (341030042322112), we get a palindrome (552253282352255).

The spelling of 211223240030143 in words is "two hundred eleven trillion, two hundred twenty-three billion, two hundred forty million, thirty thousand, one hundred forty-three".