650145723 has 8 divisors (see below), whose sum is σ = 877305408. Its totient is φ = 428208264.

The previous prime is 650145709. The next prime is 650145757. The reversal of 650145723 is 327541056.

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

It is not a de Polignac number, because 650145723 - 2⁴ = 650145707 is a prime.

It is a super-2 number, since 2×650145723² = 845378922270385458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (650145703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305265 + ... + 1305762.

It is an arithmetic number, because the mean of its divisors is an integer number (109663176).

Almost surely, 2^650145723 is an apocalyptic number.

650145723 is a deficient number, since it is larger than the sum of its proper divisors (227159685).

650145723 is a wasteful number, since it uses less digits than its factorization.

650145723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611113.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 650145723 is about 25497.9552709624. The cubic root of 650145723 is about 866.3038343302.

Adding to 650145723 its reverse (327541056), we get a palindrome (977686779).

The spelling of 650145723 in words is "six hundred fifty million, one hundred forty-five thousand, seven hundred twenty-three".