211112134083623 has 2 divisors, whose sum is σ = 211112134083624. Its totient is φ = 211112134083622.

The previous prime is 211112134083589. The next prime is 211112134083659. The reversal of 211112134083623 is 326380431211112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211112134083623 - 2⁶ = 211112134083559 is a prime.

It is a super-2 number, since 2×211112134083623² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211112134083023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556067041811 + 105556067041812.

It is an arithmetic number, because the mean of its divisors is an integer number (105556067041812).

Almost surely, 2^{211112134083623} is an apocalyptic number.

211112134083623 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112134083623 is an equidigital number, since it uses as much as digits as its factorization.

211112134083623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

Adding to 211112134083623 its reverse (326380431211112), we get a palindrome (537492565294735).

The spelling of 211112134083623 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred thirty-four million, eighty-three thousand, six hundred twenty-three".