103023309 has 4 divisors (see below), whose sum is σ = 137364416. Its totient is φ = 68682204.

The previous prime is 103023293. The next prime is 103023329. The reversal of 103023309 is 903320301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103023309 - 2⁴ = 103023293 is a prime.

It is a super-2 number, since 2×103023309² = 21227604394618962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023329) 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, 17170549 + ... + 17170554.

It is an arithmetic number, because the mean of its divisors is an integer number (34341104).

Almost surely, 2^103023309 is an apocalyptic number.

It is an amenable number.

103023309 is a deficient number, since it is larger than the sum of its proper divisors (34341107).

103023309 is an equidigital number, since it uses as much as digits as its factorization.

103023309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34341106.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 103023309 is about 10150.0398521385. The cubic root of 103023309 is about 468.7901719883.

The spelling of 103023309 in words is "one hundred three million, twenty-three thousand, three hundred nine".