10523240 has 128 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 3273984.

The previous prime is 10523209. The next prime is 10523251. The reversal of 10523240 is 4232501.

It is a super-2 number, since 2×10523240² = 221477160195200, 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, 178331 + ... + 178389.

It is an arithmetic number, because the mean of its divisors is an integer number (236250).

Almost surely, 2^10523240 is an apocalyptic number.

10523240 is a gapful number since it is divisible by the number (10) 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 10523240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120000).

10523240 is an abundant number, since it is smaller than the sum of its proper divisors (19716760).

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

10523240 is a wasteful number, since it uses less digits than its factorization.

10523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10523240 is about 3243.9543769911. The cubic root of 10523240 is about 219.1373935436.

Adding to 10523240 its reverse (4232501), we get a palindrome (14755741).

The spelling of 10523240 in words is "ten million, five hundred twenty-three thousand, two hundred forty".