234211219873 has 2 divisors, whose sum is σ = 234211219874. Its totient is φ = 234211219872.

The previous prime is 234211219861. The next prime is 234211219987. The reversal of 234211219873 is 378912112432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228686716944 + 5524502929 = 478212^2 + 74327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234211219873 is a prime.

It is a super-2 number, since 2×234211219873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234211219373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117105609936 + 117105609937.

It is an arithmetic number, because the mean of its divisors is an integer number (117105609937).

Almost surely, 2^234211219873 is an apocalyptic number.

It is an amenable number.

234211219873 is a deficient number, since it is larger than the sum of its proper divisors (1).

234211219873 is an equidigital number, since it uses as much as digits as its factorization.

234211219873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The spelling of 234211219873 in words is "two hundred thirty-four billion, two hundred eleven million, two hundred nineteen thousand, eight hundred seventy-three".