103213023 has 4 divisors (see below), whose sum is σ = 137617368. Its totient is φ = 68808680.

The previous prime is 103213009. The next prime is 103213039. The reversal of 103213023 is 320312301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320312301 = 3 ⋅106770767.

It is a cyclic number.

It is not a de Polignac number, because 103213023 - 2²¹ = 101115871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103212993 and 103213011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202168 + ... + 17202173.

It is an arithmetic number, because the mean of its divisors is an integer number (34404342).

Almost surely, 2^103213023 is an apocalyptic number.

103213023 is a deficient number, since it is larger than the sum of its proper divisors (34404345).

103213023 is an equidigital number, since it uses as much as digits as its factorization.

103213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34404344.

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

The square root of 103213023 is about 10159.3810342953. The cubic root of 103213023 is about 469.0777493802.

Adding to 103213023 its reverse (320312301), we get a palindrome (423525324).

The spelling of 103213023 in words is "one hundred three million, two hundred thirteen thousand, twenty-three".