730673123 has 4 divisors (see below), whose sum is σ = 741578760. Its totient is φ = 719767488.

The previous prime is 730673117. The next prime is 730673129. The reversal of 730673123 is 321376037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321376037 = 4337 ⋅74101.

It is an interprime number because it is at equal distance from previous prime (730673117) and next prime (730673129).

It is a cyclic number.

It is not a de Polignac number, because 730673123 - 2¹⁰ = 730672099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730673123.

It is not an unprimeable number, because it can be changed into a prime (730673129) 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, 5452718 + ... + 5452851.

It is an arithmetic number, because the mean of its divisors is an integer number (185394690).

Almost surely, 2^730673123 is an apocalyptic number.

730673123 is a deficient number, since it is larger than the sum of its proper divisors (10905637).

730673123 is a wasteful number, since it uses less digits than its factorization.

730673123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905636.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 730673123 is about 27030.9660019763. The cubic root of 730673123 is about 900.6880019088.

The spelling of 730673123 in words is "seven hundred thirty million, six hundred seventy-three thousand, one hundred twenty-three".