212430123023873 has 2 divisors, whose sum is σ = 212430123023874. Its totient is φ = 212430123023872.

The previous prime is 212430123023869. The next prime is 212430123024013. The reversal of 212430123023873 is 378320321034212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164062104020929 + 48368019002944 = 12808673^2 + 6954712^2 .

It is a cyclic number.

It is not a de Polignac number, because 212430123023873 - 2² = 212430123023869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212430123023873.

It is not a weakly prime, because it can be changed into another prime (212430123023843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106215061511936 + 106215061511937.

It is an arithmetic number, because the mean of its divisors is an integer number (106215061511937).

Almost surely, 2^{212430123023873} is an apocalyptic number.

It is an amenable number.

212430123023873 is a deficient number, since it is larger than the sum of its proper divisors (1).

212430123023873 is an equidigital number, since it uses as much as digits as its factorization.

212430123023873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 212430123023873 in words is "two hundred twelve trillion, four hundred thirty billion, one hundred twenty-three million, twenty-three thousand, eight hundred seventy-three".