213231302023 has 2 divisors, whose sum is σ = 213231302024. Its totient is φ = 213231302022.

The previous prime is 213231302017. The next prime is 213231302129. The reversal of 213231302023 is 320203132312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213231302023 - 2¹⁷ = 213231170951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213231301985 and 213231302003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213231302003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615651011 + 106615651012.

It is an arithmetic number, because the mean of its divisors is an integer number (106615651012).

Almost surely, 2^213231302023 is an apocalyptic number.

213231302023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213231302023 is an equidigital number, since it uses as much as digits as its factorization.

213231302023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213231302023 its reverse (320203132312), we get a palindrome (533434434335).

The spelling of 213231302023 in words is "two hundred thirteen billion, two hundred thirty-one million, three hundred two thousand, twenty-three".