120523404 has 72 divisors (see below), whose sum is σ = 311931648. Its totient is φ = 36143360.

The previous prime is 120523397. The next prime is 120523457. The reversal of 120523404 is 404325021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79009 + ... + 80519.

It is an arithmetic number, because the mean of its divisors is an integer number (4332384).

Almost surely, 2^120523404 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 120523404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155965824).

120523404 is an abundant number, since it is smaller than the sum of its proper divisors (191408244).

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

120523404 is a wasteful number, since it uses less digits than its factorization.

120523404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120523404 is about 10978.3151712820. The cubic root of 120523404 is about 493.9584999040.

Adding to 120523404 its reverse (404325021), we get a palindrome (524848425).

The spelling of 120523404 in words is "one hundred twenty million, five hundred twenty-three thousand, four hundred four".