1073318723 has 4 divisors (see below), whose sum is σ = 1073897328. Its totient is φ = 1072740120.

The previous prime is 1073318699. The next prime is 1073318747. The reversal of 1073318723 is 3278133701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3278133701 = 1171 ⋅2799431.

It is an interprime number because it is at equal distance from previous prime (1073318699) and next prime (1073318747).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1073318723 is a prime.

It is a super-2 number, since 2×1073318723² = 2304026162284701458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073318773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286511 + ... + 290232.

It is an arithmetic number, because the mean of its divisors is an integer number (268474332).

Almost surely, 2^1073318723 is an apocalyptic number.

1073318723 is a deficient number, since it is larger than the sum of its proper divisors (578605).

1073318723 is an equidigital number, since it uses as much as digits as its factorization.

1073318723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578604.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1073318723 is about 32761.5433549764. The cubic root of 1073318723 is about 1023.8654821442.

The spelling of 1073318723 in words is "one billion, seventy-three million, three hundred eighteen thousand, seven hundred twenty-three".