523542251430220 has 48 divisors (see below), whose sum is σ = 1199576259808416. Its totient is φ = 190349070912000.

The previous prime is 523542251430217. The next prime is 523542251430257. The reversal of 523542251430220 is 22034152245325.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185657451 + ... + 188456290.

It is an arithmetic number, because the mean of its divisors is an integer number (24991172079342).

Almost surely, 2^{523542251430220} is an apocalyptic number.

It is an amenable number.

523542251430220 is an abundant number, since it is smaller than the sum of its proper divisors (676034008378196).

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

523542251430220 is a wasteful number, since it uses less digits than its factorization.

523542251430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374120122 (or 374120120 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 523542251430220 in words is "five hundred twenty-three trillion, five hundred forty-two billion, two hundred fifty-one million, four hundred thirty thousand, two hundred twenty".