523303280323428 has 48 divisors (see below), whose sum is σ = 1332110718683136. Its totient is φ = 158568893859360.

The previous prime is 523303280323399. The next prime is 523303280323451. The reversal of 523303280323428 is 824323082303325.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95547676 + ... + 100875987.

It is an arithmetic number, because the mean of its divisors is an integer number (27752306639232).

Almost surely, 2^{523303280323428} is an apocalyptic number.

It is an amenable number.

523303280323428 is an abundant number, since it is smaller than the sum of its proper divisors (808807438359708).

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

523303280323428 is a wasteful number, since it uses less digits than its factorization.

523303280323428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196443864 (or 196443862 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 523303280323428 in words is "five hundred twenty-three trillion, three hundred three billion, two hundred eighty million, three hundred twenty-three thousand, four hundred twenty-eight".