65423678548330 has 16 divisors (see below), whose sum is σ = 117778363083144. Its totient is φ = 26165973264640.

The previous prime is 65423678548303. The next prime is 65423678548363. The reversal of 65423678548330 is 3384587632456.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52868328065721 + 12555350482609 = 7271061^2 + 3543353^2 .

It is a super-2 number, since 2×65423678548330² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437190787 + ... + 437340406.

Almost surely, 2^{65423678548330} is an apocalyptic number.

65423678548330 is a deficient number, since it is larger than the sum of its proper divisors (52354684534814).

65423678548330 is a wasteful number, since it uses less digits than its factorization.

65423678548330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874538681.

The product of its (nonzero) digits is 348364800, while the sum is 64.

The spelling of 65423678548330 in words is "sixty-five trillion, four hundred twenty-three billion, six hundred seventy-eight million, five hundred forty-eight thousand, three hundred thirty".