10523140 has 12 divisors (see below), whose sum is σ = 22098636. Its totient is φ = 4209248.

The previous prime is 10523137. The next prime is 10523141. The reversal of 10523140 is 4132501.

It can be written as a sum of positive squares in 2 ways, for example, as 5541316 + 4981824 = 2354^2 + 2232^2 .

It is a super-2 number, since 2×10523140² = 221472950919200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10523141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263059 + ... + 263098.

It is an arithmetic number, because the mean of its divisors is an integer number (1841553).

Almost surely, 2^10523140 is an apocalyptic number.

10523140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10523140 is an abundant number, since it is smaller than the sum of its proper divisors (11575496).

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

10523140 is a wasteful number, since it uses less digits than its factorization.

10523140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526166 (or 526164 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10523140 is about 3243.9389636675. The cubic root of 10523140 is about 219.1366994034.

Adding to 10523140 its reverse (4132501), we get a palindrome (14655641).

The spelling of 10523140 in words is "ten million, five hundred twenty-three thousand, one hundred forty".