104521144423 has 2 divisors, whose sum is σ = 104521144424. Its totient is φ = 104521144422.

The previous prime is 104521144393. The next prime is 104521144477. The reversal of 104521144423 is 324441125401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104521144423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104521174423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52260572211 + 52260572212.

It is an arithmetic number, because the mean of its divisors is an integer number (52260572212).

Almost surely, 2^104521144423 is an apocalyptic number.

104521144423 is a deficient number, since it is larger than the sum of its proper divisors (1).

104521144423 is an equidigital number, since it uses as much as digits as its factorization.

104521144423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 104521144423 its reverse (324441125401), we get a palindrome (428962269824).

The spelling of 104521144423 in words is "one hundred four billion, five hundred twenty-one million, one hundred forty-four thousand, four hundred twenty-three".