210231225623 has 2 divisors, whose sum is σ = 210231225624. Its totient is φ = 210231225622.

The previous prime is 210231225599. The next prime is 210231225643. The reversal of 210231225623 is 326522132012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210231225623 - 2⁸ = 210231225367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210231225643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105115612811 + 105115612812.

It is an arithmetic number, because the mean of its divisors is an integer number (105115612812).

Almost surely, 2^210231225623 is an apocalyptic number.

210231225623 is a deficient number, since it is larger than the sum of its proper divisors (1).

210231225623 is an equidigital number, since it uses as much as digits as its factorization.

210231225623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 210231225623 its reverse (326522132012), we get a palindrome (536753357635).

The spelling of 210231225623 in words is "two hundred ten billion, two hundred thirty-one million, two hundred twenty-five thousand, six hundred twenty-three".