212041400423 has 2 divisors, whose sum is σ = 212041400424. Its totient is φ = 212041400422.

The previous prime is 212041400413. The next prime is 212041400449. The reversal of 212041400423 is 324004140212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212041400423 - 2⁶ = 212041400359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212041400413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106020700211 + 106020700212.

It is an arithmetic number, because the mean of its divisors is an integer number (106020700212).

Almost surely, 2^212041400423 is an apocalyptic number.

212041400423 is a deficient number, since it is larger than the sum of its proper divisors (1).

212041400423 is an equidigital number, since it uses as much as digits as its factorization.

212041400423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212041400423 its reverse (324004140212), we get a palindrome (536045540635).

The spelling of 212041400423 in words is "two hundred twelve billion, forty-one million, four hundred thousand, four hundred twenty-three".