105030023 has 8 divisors (see below), whose sum is σ = 121156992. Its totient is φ = 89183736.

The previous prime is 105029999. The next prime is 105030041. The reversal of 105030023 is 320030501.

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 105030023 - 2²⁰ = 103981447 is a prime.

It is a super-2 number, since 2×105030023² = 22062611462761058, which 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 (105030053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69365 + ... + 70862.

It is an arithmetic number, because the mean of its divisors is an integer number (15144624).

Almost surely, 2^105030023 is an apocalyptic number.

105030023 is a deficient number, since it is larger than the sum of its proper divisors (16126969).

105030023 is a wasteful number, since it uses less digits than its factorization.

105030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140341.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 105030023 is about 10248.4156336480. The cubic root of 105030023 is about 471.8143586122.

Adding to 105030023 its reverse (320030501), we get a palindrome (425060524).

The spelling of 105030023 in words is "one hundred five million, thirty thousand, twenty-three".