100266623 has 4 divisors (see below), whose sum is σ = 100505208. Its totient is φ = 100028040.

The previous prime is 100266613. The next prime is 100266631. The reversal of 100266623 is 326662001.

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 100266623 - 2⁸ = 100266367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100266592 and 100266601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100266613) 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, 118661 + ... + 119502.

It is an arithmetic number, because the mean of its divisors is an integer number (25126302).

Almost surely, 2^100266623 is an apocalyptic number.

100266623 is a deficient number, since it is larger than the sum of its proper divisors (238585).

100266623 is an equidigital number, since it uses as much as digits as its factorization.

100266623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238584.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 100266623 is about 10013.3222758483. The cubic root of 100266623 is about 464.5710353938.

The spelling of 100266623 in words is "one hundred million, two hundred sixty-six thousand, six hundred twenty-three".