101042623 has 12 divisors (see below), whose sum is σ = 112412664. Its totient is φ = 90741200.

The previous prime is 101042593. The next prime is 101042651. The reversal of 101042623 is 326240101.

It is not a de Polignac number, because 101042623 - 2⁹ = 101042111 is a prime.

It is a super-2 number, since 2×101042623² = 20419223325440258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101042623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101042653) 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, 5013 + ... + 15073.

It is an arithmetic number, because the mean of its divisors is an integer number (9367722).

Almost surely, 2^101042623 is an apocalyptic number.

101042623 is a deficient number, since it is larger than the sum of its proper divisors (11370041).

101042623 is a wasteful number, since it uses less digits than its factorization.

101042623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166 (or 10155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 101042623 is about 10051.9959709502. The cubic root of 101042623 is about 465.7664517046.

Adding to 101042623 its reverse (326240101), we get a palindrome (427282724).

The spelling of 101042623 in words is "one hundred one million, forty-two thousand, six hundred twenty-three".