650427123 has 16 divisors (see below), whose sum is σ = 922617216. Its totient is φ = 406170240.

The previous prime is 650427083. The next prime is 650427149. The reversal of 650427123 is 321724056.

It is not a de Polignac number, because 650427123 - 2⁶ = 650427059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650427023) 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 15 ways as a sum of consecutive naturals, for example, 19461 + ... + 40982.

It is an arithmetic number, because the mean of its divisors is an integer number (57663576).

Almost surely, 2^650427123 is an apocalyptic number.

650427123 is a deficient number, since it is larger than the sum of its proper divisors (272190093).

650427123 is a wasteful number, since it uses less digits than its factorization.

650427123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60674.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 650427123 is about 25503.4727635277. The cubic root of 650427123 is about 866.4288025887.

It can be divided in two parts, 65042712 and 3, that added together give a triangular number (65042715 = T₁₁₄₀₅).

The spelling of 650427123 in words is "six hundred fifty million, four hundred twenty-seven thousand, one hundred twenty-three".