653441723 has 8 divisors (see below), whose sum is σ = 730232496. Its totient is φ = 579548800.

The previous prime is 653441629. The next prime is 653441771. The reversal of 653441723 is 327144356.

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

It is a cyclic number.

It is not a de Polignac number, because 653441723 - 2¹² = 653437627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653443723) 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 7 ways as a sum of consecutive naturals, for example, 723986 + ... + 724887.

It is an arithmetic number, because the mean of its divisors is an integer number (91279062).

Almost surely, 2^653441723 is an apocalyptic number.

653441723 is a deficient number, since it is larger than the sum of its proper divisors (76790773).

653441723 is a wasteful number, since it uses less digits than its factorization.

653441723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448925.

The product of its digits is 60480, while the sum is 35.

The square root of 653441723 is about 25562.5061955983. The cubic root of 653441723 is about 867.7653147904.

The spelling of 653441723 in words is "six hundred fifty-three million, four hundred forty-one thousand, seven hundred twenty-three".