109026623 has 4 divisors (see below), whose sum is σ = 109222920. Its totient is φ = 108830328.

The previous prime is 109026613. The next prime is 109026637. The reversal of 109026623 is 326620901.

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 109026623 - 2⁸ = 109026367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109026613) 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, 97313 + ... + 98426.

It is an arithmetic number, because the mean of its divisors is an integer number (27305730).

Almost surely, 2^109026623 is an apocalyptic number.

109026623 is a deficient number, since it is larger than the sum of its proper divisors (196297).

109026623 is an equidigital number, since it uses as much as digits as its factorization.

109026623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196296.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 109026623 is about 10441.5814415250. The cubic root of 109026623 is about 477.7245061431.

The spelling of 109026623 in words is "one hundred nine million, twenty-six thousand, six hundred twenty-three".