213326123023 has 16 divisors (see below), whose sum is σ = 231536400480. Its totient is φ = 195377163264.

The previous prime is 213326122979. The next prime is 213326123033. The reversal of 213326123023 is 320321623312.

It is a cyclic number.

It is not a de Polignac number, because 213326123023 - 2⁹ = 213326122511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213326122982 and 213326123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213326123033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171683 + ... + 1341451.

It is an arithmetic number, because the mean of its divisors is an integer number (14471025030).

Almost surely, 2^213326123023 is an apocalyptic number.

213326123023 is a deficient number, since it is larger than the sum of its proper divisors (18210277457).

213326123023 is a wasteful number, since it uses less digits than its factorization.

213326123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170538.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 213326123023 its reverse (320321623312), we get a palindrome (533647746335).

The spelling of 213326123023 in words is "two hundred thirteen billion, three hundred twenty-six million, one hundred twenty-three thousand, twenty-three".