723512047 has 8 divisors (see below), whose sum is σ = 727105232. Its totient is φ = 719928000.

The previous prime is 723512017. The next prime is 723512057. The reversal of 723512047 is 740215327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723512047 is a prime.

It is a super-3 number, since 3×723512047³ (a number of 28 digits) contains 333 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 (723512017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197113 + ... + 200749.

It is an arithmetic number, because the mean of its divisors is an integer number (90888154).

Almost surely, 2^723512047 is an apocalyptic number.

723512047 is a deficient number, since it is larger than the sum of its proper divisors (3593185).

723512047 is a wasteful number, since it uses less digits than its factorization.

723512047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 723512047 is about 26898.1792506482. The cubic root of 723512047 is about 897.7358921434.

The spelling of 723512047 in words is "seven hundred twenty-three million, five hundred twelve thousand, forty-seven".