105023653 has 4 divisors (see below), whose sum is σ = 120027040. Its totient is φ = 90020268.

The previous prime is 105023651. The next prime is 105023657. The reversal of 105023653 is 356320501.

It is a happy number.

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: 356320501 = 2909 ⋅122489.

It is a cyclic number.

It is not a de Polignac number, because 105023653 - 2¹ = 105023651 is a prime.

It is a super-2 number, since 2×105023653² = 22059935378928818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105023651) 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, 7501683 + ... + 7501696.

It is an arithmetic number, because the mean of its divisors is an integer number (30006760).

Almost surely, 2^105023653 is an apocalyptic number.

It is an amenable number.

105023653 is a deficient number, since it is larger than the sum of its proper divisors (15003387).

105023653 is an equidigital number, since it uses as much as digits as its factorization.

105023653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15003386.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 105023653 is about 10248.1048491904. The cubic root of 105023653 is about 471.8048200119.

The spelling of 105023653 in words is "one hundred five million, twenty-three thousand, six hundred fifty-three".