523126164 has 96 divisors (see below), whose sum is σ = 1411200000. Its totient is φ = 149160960.

The previous prime is 523126117. The next prime is 523126171. The reversal of 523126164 is 461621325.

It is a super-2 number, since 2×523126164² = 547321966922709792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418212 + ... + 419460.

It is an arithmetic number, because the mean of its divisors is an integer number (14700000).

Almost surely, 2^523126164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523126164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705600000).

523126164 is an abundant number, since it is smaller than the sum of its proper divisors (888073836).

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

523126164 is a wasteful number, since it uses less digits than its factorization.

523126164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 523126164 is about 22871.9514689936. The cubic root of 523126164 is about 805.7534008653.

Adding to 523126164 its reverse (461621325), we get a palindrome (984747489).

It can be divided in two parts, 5231261 and 64, that added together give a palindrome (5231325).

The spelling of 523126164 in words is "five hundred twenty-three million, one hundred twenty-six thousand, one hundred sixty-four".