10523220087 has 8 divisors (see below), whose sum is σ = 14031442800. Its totient is φ = 7015238720.

The previous prime is 10523220077. The next prime is 10523220109. The reversal of 10523220087 is 78002232501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10523220087 - 2¹⁵ = 10523187319 is a prime.

It is a super-2 number, since 2×10523220087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523220017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110539 + ... + 182387.

It is an arithmetic number, because the mean of its divisors is an integer number (1753930350).

Almost surely, 2^10523220087 is an apocalyptic number.

10523220087 is a deficient number, since it is larger than the sum of its proper divisors (3508222713).

10523220087 is an equidigital number, since it uses as much as digits as its factorization.

10523220087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120673.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 10523220087 its reverse (78002232501), we get a palindrome (88525452588).

The spelling of 10523220087 in words is "ten billion, five hundred twenty-three million, two hundred twenty thousand, eighty-seven".