213103023 has 16 divisors (see below), whose sum is σ = 324979200. Its totient is φ = 121679136.

The previous prime is 213103003. The next prime is 213103039. The reversal of 213103023 is 320301312.

It is not a de Polignac number, because 213103023 - 2¹⁷ = 212971951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213102993 and 213103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103003) 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 15 ways as a sum of consecutive naturals, for example, 31278 + ... + 37476.

It is an arithmetic number, because the mean of its divisors is an integer number (20311200).

Almost surely, 2^213103023 is an apocalyptic number.

213103023 is a deficient number, since it is larger than the sum of its proper divisors (111876177).

213103023 is a wasteful number, since it uses less digits than its factorization.

213103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213103023 is about 14598.0486024674. The cubic root of 213103023 is about 597.3055317367.

Adding to 213103023 its reverse (320301312), we get a palindrome (533404335).

The spelling of 213103023 in words is "two hundred thirteen million, one hundred three thousand, twenty-three".