211642301423 has 16 divisors (see below), whose sum is σ = 243254706240. Its totient is φ = 180374688000.

The previous prime is 211642301417. The next prime is 211642301459. The reversal of 211642301423 is 324103246112.

It is a cyclic number.

It is not a de Polignac number, because 211642301423 - 2⁶ = 211642301359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211642301413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10466723 + ... + 10486923.

It is an arithmetic number, because the mean of its divisors is an integer number (15203419140).

Almost surely, 2^211642301423 is an apocalyptic number.

211642301423 is a deficient number, since it is larger than the sum of its proper divisors (31612404817).

211642301423 is a wasteful number, since it uses less digits than its factorization.

211642301423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28658.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 211642301423 its reverse (324103246112), we get a palindrome (535745547535).

The spelling of 211642301423 in words is "two hundred eleven billion, six hundred forty-two million, three hundred one thousand, four hundred twenty-three".