523140502104 has 576 divisors, whose sum is σ = 1728015055200. Its totient is φ = 145999687680.

The previous prime is 523140502067. The next prime is 523140502123. The reversal of 523140502104 is 401205041325.

523140502104 is a `hidden beast` number, since 5 + 2 + 3 + 140 + 502 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4119216489 + ... + 4119216615.

Almost surely, 2^523140502104 is an apocalyptic number.

523140502104 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523140502104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864007527600).

523140502104 is an abundant number, since it is smaller than the sum of its proper divisors (1204874553096).

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

523140502104 is a wasteful number, since it uses less digits than its factorization.

523140502104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 523140502104 its reverse (401205041325), we get a palindrome (924345543429).

The spelling of 523140502104 in words is "five hundred twenty-three billion, one hundred forty million, five hundred two thousand, one hundred four".