100712623 has 4 divisors (see below), whose sum is σ = 109868328. Its totient is φ = 91556920.

The previous prime is 100712617. The next prime is 100712627. The reversal of 100712623 is 326217001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100712623 - 2⁹ = 100712111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100712594 and 100712603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100712627) 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, 4577836 + ... + 4577857.

It is an arithmetic number, because the mean of its divisors is an integer number (27467082).

Almost surely, 2^100712623 is an apocalyptic number.

100712623 is a deficient number, since it is larger than the sum of its proper divisors (9155705).

100712623 is an equidigital number, since it uses as much as digits as its factorization.

100712623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155704.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 100712623 is about 10035.5678962379. The cubic root of 100712623 is about 465.2588422840.

Adding to 100712623 its reverse (326217001), we get a palindrome (426929624).

The spelling of 100712623 in words is "one hundred million, seven hundred twelve thousand, six hundred twenty-three".