64123104 has 24 divisors (see below), whose sum is σ = 168323400. Its totient is φ = 21374336.

The previous prime is 64123091. The next prime is 64123121. The reversal of 64123104 is 40132146.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×64123104² = 8223544933189632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333879 + ... + 334070.

It is an arithmetic number, because the mean of its divisors is an integer number (7013475).

Almost surely, 2^64123104 is an apocalyptic number.

It is an amenable number.

64123104 is an abundant number, since it is smaller than the sum of its proper divisors (104200296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64123104 is a wasteful number, since it uses less digits than its factorization.

64123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667962 (or 667954 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 64123104 is about 8007.6903037018. The cubic root of 64123104 is about 400.2563024043.

The spelling of 64123104 in words is "sixty-four million, one hundred twenty-three thousand, one hundred four".