10523144887 has 4 divisors (see below), whose sum is σ = 10641382560. Its totient is φ = 10404907216.

The previous prime is 10523144881. The next prime is 10523144893. The reversal of 10523144887 is 78844132501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78844132501 = 359 ⋅219621539.

It is an interprime number because it is at equal distance from previous prime (10523144881) and next prime (10523144893).

It is a cyclic number.

It is not a de Polignac number, because 10523144887 - 2¹⁹ = 10522620599 is a prime.

It is a super-2 number, since 2×10523144887² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523144881) 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, 59118703 + ... + 59118880.

It is an arithmetic number, because the mean of its divisors is an integer number (2660345640).

Almost surely, 2^10523144887 is an apocalyptic number.

10523144887 is a deficient number, since it is larger than the sum of its proper divisors (118237673).

10523144887 is an equidigital number, since it uses as much as digits as its factorization.

10523144887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118237672.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 10523144887 in words is "ten billion, five hundred twenty-three million, one hundred forty-four thousand, eight hundred eighty-seven".