211242142023 has 16 divisors (see below), whose sum is σ = 307409904000. Its totient is φ = 127963621280.

The previous prime is 211242142019. The next prime is 211242142039. The reversal of 211242142023 is 320241242112.

It is not a de Polignac number, because 211242142023 - 2² = 211242142019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211242141984 and 211242142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211242142723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478673 + ... + 1615226.

It is an arithmetic number, because the mean of its divisors is an integer number (19213119000).

Almost surely, 2^211242142023 is an apocalyptic number.

211242142023 is a deficient number, since it is larger than the sum of its proper divisors (96167761977).

211242142023 is a wasteful number, since it uses less digits than its factorization.

211242142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095982.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 211242142023 its reverse (320241242112), we get a palindrome (531483384135).

The spelling of 211242142023 in words is "two hundred eleven billion, two hundred forty-two million, one hundred forty-two thousand, twenty-three".