104521923 has 24 divisors (see below), whose sum is σ = 165462336. Its totient is φ = 63054000.

The previous prime is 104521919. The next prime is 104521939. The reversal of 104521923 is 329125401.

It is not a de Polignac number, because 104521923 - 2² = 104521919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104521973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20148 + ... + 24798.

It is an arithmetic number, because the mean of its divisors is an integer number (6894264).

Almost surely, 2^104521923 is an apocalyptic number.

104521923 is a deficient number, since it is larger than the sum of its proper divisors (60940413).

104521923 is a wasteful number, since it uses less digits than its factorization.

104521923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 104521923 is about 10223.5963828782. The cubic root of 104521923 is about 471.0523019259.

The spelling of 104521923 in words is "one hundred four million, five hundred twenty-one thousand, nine hundred twenty-three".