64223500234 has 16 divisors (see below), whose sum is σ = 99473299200. Its totient is φ = 31066368480.

The previous prime is 64223500219. The next prime is 64223500259. The reversal of 64223500234 is 43200532246.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 64223500196 and 64223500205.

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 7 ways as a sum of consecutive naturals, for example, 47542 + ... + 361534.

It is an arithmetic number, because the mean of its divisors is an integer number (6217081200).

Almost surely, 2^64223500234 is an apocalyptic number.

64223500234 is a deficient number, since it is larger than the sum of its proper divisors (35249798966).

64223500234 is a wasteful number, since it uses less digits than its factorization.

64223500234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317325.

The product of its (nonzero) digits is 34560, while the sum is 31.

The spelling of 64223500234 in words is "sixty-four billion, two hundred twenty-three million, five hundred thousand, two hundred thirty-four".