10643523 has 24 divisors (see below), whose sum is σ = 15800400. Its totient is φ = 6367680.

The previous prime is 10643497. The next prime is 10643527. The reversal of 10643523 is 32534601.

It is a happy number.

It is not a de Polignac number, because 10643523 - 2⁶ = 10643459 is a prime.

It is a super-2 number, since 2×10643523² = 226569163703058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643493 and 10643502.

It is not an unprimeable number, because it can be changed into a prime (10643527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39433 + ... + 39701.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^10643523 is an apocalyptic number.

10643523 is a deficient number, since it is larger than the sum of its proper divisors (5156877).

10643523 is a wasteful number, since it uses less digits than its factorization.

10643523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 10643523 is about 3262.4412638391. The cubic root of 10643523 is about 219.9691623443.

Multiplying 10643523 by its sum of digits (24), we get a palindrome (255444552).

The spelling of 10643523 in words is "ten million, six hundred forty-three thousand, five hundred twenty-three".