723266834 has 4 divisors (see below), whose sum is σ = 1084900254. Its totient is φ = 361633416.

The previous prime is 723266807. The next prime is 723266849. The reversal of 723266834 is 438662327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438662327 = 47 ⋅9333241.

It can be written as a sum of positive squares in only one way, i.e., 379275625 + 343991209 = 19475^2 + 18547^2 .

It is a super-2 number, since 2×723266834² = 1046229826328767112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 723266791 and 723266800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180816707 + ... + 180816710.

Almost surely, 2^723266834 is an apocalyptic number.

723266834 is a deficient number, since it is larger than the sum of its proper divisors (361633420).

723266834 is a wasteful number, since it uses less digits than its factorization.

723266834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361633419.

The product of its digits is 290304, while the sum is 41.

The square root of 723266834 is about 26893.6206933912. The cubic root of 723266834 is about 897.6344603444.

The spelling of 723266834 in words is "seven hundred twenty-three million, two hundred sixty-six thousand, eight hundred thirty-four".