423039526628644 has 12 divisors (see below), whose sum is σ = 740319634292364. Its totient is φ = 211519631116544.

The previous prime is 423039526628627. The next prime is 423039526628737. The reversal of 423039526628644 is 446826625930324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 170718056391744 + 252321470236900 = 13065912^2 + 15884630^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25666057 + ... + 38792080.

It is an arithmetic number, because the mean of its divisors is an integer number (61693302857697).

Almost surely, 2^{423039526628644} is an apocalyptic number.

It is an amenable number.

423039526628644 is a deficient number, since it is larger than the sum of its proper divisors (317280107663720).

423039526628644 is a wasteful number, since it uses less digits than its factorization.

423039526628644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66098894 (or 66098892 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 64.

The spelling of 423039526628644 in words is "four hundred twenty-three trillion, thirty-nine billion, five hundred twenty-six million, six hundred twenty-eight thousand, six hundred forty-four".