213203014013123 has 32 divisors (see below), whose sum is σ = 216905363136000. Its totient is φ = 209538332121600.

The previous prime is 213203014013111. The next prime is 213203014013137. The reversal of 213203014013123 is 321310410302312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213203014013123 - 2¹⁰ = 213203014012099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213203014013092 and 213203014013101.

It is not an unprimeable number, because it can be changed into a prime (213203014013153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11076047003 + ... + 11076066251.

It is an arithmetic number, because the mean of its divisors is an integer number (6778292598000).

Almost surely, 2^{213203014013123} is an apocalyptic number.

213203014013123 is a deficient number, since it is larger than the sum of its proper divisors (3702349122877).

213203014013123 is a wasteful number, since it uses less digits than its factorization.

213203014013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20987.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213203014013123 its reverse (321310410302312), we get a palindrome (534513424315435).

The spelling of 213203014013123 in words is "two hundred thirteen trillion, two hundred three billion, fourteen million, thirteen thousand, one hundred twenty-three".