213244102123 has 8 divisors (see below), whose sum is σ = 239632168608. Its totient is φ = 188282417664.

The previous prime is 213244102061. The next prime is 213244102139. The reversal of 213244102123 is 321201442312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213244102123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213244102163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356595190 + ... + 356595787.

It is an arithmetic number, because the mean of its divisors is an integer number (29954021076).

Almost surely, 2^213244102123 is an apocalyptic number.

213244102123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213244102123 is a deficient number, since it is larger than the sum of its proper divisors (26388066485).

213244102123 is a wasteful number, since it uses less digits than its factorization.

213244102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713191013.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 213244102123 its reverse (321201442312), we get a palindrome (534445544435).

The spelling of 213244102123 in words is "two hundred thirteen billion, two hundred forty-four million, one hundred two thousand, one hundred twenty-three".