10523020653 has 12 divisors (see below), whose sum is σ = 15356620188. Its totient is φ = 6943023360.

The previous prime is 10523020637. The next prime is 10523020691. The reversal of 10523020653 is 35602032501.

10523020653 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 3 + 0 + 2 + 0 + 653 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5751250569 + 4771770084 = 75837^2 + 69078^2 .

It is not a de Polignac number, because 10523020653 - 2⁴ = 10523020637 is a prime.

It is a super-2 number, since 2×10523020653² (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 (10523020633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6026058 + ... + 6027803.

It is an arithmetic number, because the mean of its divisors is an integer number (1279718349).

Almost surely, 2^10523020653 is an apocalyptic number.

It is an amenable number.

10523020653 is a deficient number, since it is larger than the sum of its proper divisors (4833599535).

10523020653 is a wasteful number, since it uses less digits than its factorization.

10523020653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053964 (or 12053961 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 10523020653 in words is "ten billion, five hundred twenty-three million, twenty thousand, six hundred fifty-three".