213112001023 has 2 divisors, whose sum is σ = 213112001024. Its totient is φ = 213112001022.

The previous prime is 213112001017. The next prime is 213112001041. The reversal of 213112001023 is 320100211312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213112001023 - 2²⁵ = 213078446591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213112000988 and 213112001006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213112007023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556000511 + 106556000512.

It is an arithmetic number, because the mean of its divisors is an integer number (106556000512).

Almost surely, 2^213112001023 is an apocalyptic number.

213112001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112001023 is an equidigital number, since it uses as much as digits as its factorization.

213112001023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213112001023 its reverse (320100211312), we get a palindrome (533212212335).

The spelling of 213112001023 in words is "two hundred thirteen billion, one hundred twelve million, one thousand, twenty-three".