723667046 has 4 divisors (see below), whose sum is σ = 1085500572. Its totient is φ = 361833522.

The previous prime is 723667039. The next prime is 723667093. The reversal of 723667046 is 640766327.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×723667046² = 1047387986932732232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 723666994 and 723667012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180916760 + ... + 180916763.

It is an arithmetic number, because the mean of its divisors is an integer number (271375143).

Almost surely, 2^723667046 is an apocalyptic number.

723667046 is a deficient number, since it is larger than the sum of its proper divisors (361833526).

723667046 is a wasteful number, since it uses less digits than its factorization.

723667046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361833525.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 723667046 is about 26901.0603136754. The cubic root of 723667046 is about 897.7999953055.

The spelling of 723667046 in words is "seven hundred twenty-three million, six hundred sixty-seven thousand, forty-six".