523445551131330 has 48 divisors (see below), whose sum is σ = 1360998559926720. Its totient is φ = 139581364713504.

The previous prime is 523445551131329. The next prime is 523445551131367. The reversal of 523445551131330 is 33131155544325.

523445551131330 is a `hidden beast` number, since 5 + 2 + 3 + 4 + 45 + 551 + 13 + 13 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82671390 + ... + 88777529.

It is an arithmetic number, because the mean of its divisors is an integer number (28354136665140).

Almost surely, 2^{523445551131330} is an apocalyptic number.

523445551131330 is an abundant number, since it is smaller than the sum of its proper divisors (837553008795390).

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

523445551131330 is a wasteful number, since it uses less digits than its factorization.

523445551131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171482855 (or 171482852 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 523445551131330 in words is "five hundred twenty-three trillion, four hundred forty-five billion, five hundred fifty-one million, one hundred thirty-one thousand, three hundred thirty".