723713403 has 16 divisors (see below), whose sum is σ = 1103749376. Its totient is φ = 413195040.

The previous prime is 723713381. The next prime is 723713429. The reversal of 723713403 is 304317327.

It is not a de Polignac number, because 723713403 - 2¹⁷ = 723582331 is a prime.

It is a super-2 number, since 2×723713403² = 1047522179363680818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723713203) 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 15 ways as a sum of consecutive naturals, for example, 11268 + ... + 39678.

It is an arithmetic number, because the mean of its divisors is an integer number (68984336).

Almost surely, 2^723713403 is an apocalyptic number.

723713403 is a deficient number, since it is larger than the sum of its proper divisors (380035973).

723713403 is a wasteful number, since it uses less digits than its factorization.

723713403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29634.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 723713403 is about 26901.9219201900. The cubic root of 723713403 is about 897.8191654593.

The spelling of 723713403 in words is "seven hundred twenty-three million, seven hundred thirteen thousand, four hundred three".