10523689 has 4 divisors (see below), whose sum is σ = 11480400. Its totient is φ = 9566980.

The previous prime is 10523683. The next prime is 10523699. The reversal of 10523689 is 98632501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98632501 = 11 ⋅8966591.

It is a cyclic number.

It is not a de Polignac number, because 10523689 - 2⁵ = 10523657 is a prime.

It is a super-2 number, since 2×10523689² = 221496060337442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10523683) 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, 478339 + ... + 478360.

It is an arithmetic number, because the mean of its divisors is an integer number (2870100).

Almost surely, 2^10523689 is an apocalyptic number.

It is an amenable number.

10523689 is a deficient number, since it is larger than the sum of its proper divisors (956711).

10523689 is an equidigital number, since it uses as much as digits as its factorization.

10523689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956710.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 10523689 is about 3244.0235819118. The cubic root of 10523689 is about 219.1405101784.

The spelling of 10523689 in words is "ten million, five hundred twenty-three thousand, six hundred eighty-nine".