213142130123 has 8 divisors (see below), whose sum is σ = 229784772000. Its totient is φ = 196534787328.

The previous prime is 213142130119. The next prime is 213142130129. The reversal of 213142130123 is 321031241312.

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

It is a cyclic number.

It is not a de Polignac number, because 213142130123 - 2² = 213142130119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213142130129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8812223 + ... + 8836376.

It is an arithmetic number, because the mean of its divisors is an integer number (28723096500).

Almost surely, 2^213142130123 is an apocalyptic number.

213142130123 is a deficient number, since it is larger than the sum of its proper divisors (16642641877).

213142130123 is a wasteful number, since it uses less digits than its factorization.

213142130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17649541.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213142130123 its reverse (321031241312), we get a palindrome (534173371435).

The spelling of 213142130123 in words is "two hundred thirteen billion, one hundred forty-two million, one hundred thirty thousand, one hundred twenty-three".