723917461 has 4 divisors (see below), whose sum is σ = 762018400. Its totient is φ = 685816524.

The previous prime is 723917417. The next prime is 723917473. The reversal of 723917461 is 164719327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 723917461 - 2⁷ = 723917333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723912461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19050441 + ... + 19050478.

It is an arithmetic number, because the mean of its divisors is an integer number (190504600).

Almost surely, 2^723917461 is an apocalyptic number.

It is an amenable number.

723917461 is a deficient number, since it is larger than the sum of its proper divisors (38100939).

723917461 is a wasteful number, since it uses less digits than its factorization.

723917461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38100938.

The product of its digits is 63504, while the sum is 40.

The square root of 723917461 is about 26905.7142815425. The cubic root of 723917461 is about 897.9035404647.

The spelling of 723917461 in words is "seven hundred twenty-three million, nine hundred seventeen thousand, four hundred sixty-one".