641150723 has 8 divisors (see below), whose sum is σ = 644132736. Its totient is φ = 638176000.

The previous prime is 641150701. The next prime is 641150761. The reversal of 641150723 is 327051146.

641150723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 641150723 - 2⁶ = 641150659 is a prime.

It is a super-2 number, since 2×641150723² = 822148499206845458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641150423) 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, 246158 + ... + 248748.

It is an arithmetic number, because the mean of its divisors is an integer number (80516592).

Almost surely, 2^641150723 is an apocalyptic number.

641150723 is a deficient number, since it is larger than the sum of its proper divisors (2982013).

641150723 is a wasteful number, since it uses less digits than its factorization.

641150723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 641150723 is about 25320.9542276748. The cubic root of 641150723 is about 862.2900579266.

The spelling of 641150723 in words is "six hundred forty-one million, one hundred fifty thousand, seven hundred twenty-three".