212423046331 has 2 divisors, whose sum is σ = 212423046332. Its totient is φ = 212423046330.

The previous prime is 212423046257. The next prime is 212423046349. The reversal of 212423046331 is 133640324212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212423046331 is a prime.

It is a super-2 number, since 2×212423046331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212423046293 and 212423046302.

It is not a weakly prime, because it can be changed into another prime (212423026331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106211523165 + 106211523166.

It is an arithmetic number, because the mean of its divisors is an integer number (106211523166).

Almost surely, 2^212423046331 is an apocalyptic number.

212423046331 is a deficient number, since it is larger than the sum of its proper divisors (1).

212423046331 is an equidigital number, since it uses as much as digits as its factorization.

212423046331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 212423046331 in words is "two hundred twelve billion, four hundred twenty-three million, forty-six thousand, three hundred thirty-one".