109223956 has 24 divisors (see below), whose sum is σ = 196479360. Its totient is φ = 53098752.

The previous prime is 109223921. The next prime is 109223957. The reversal of 109223956 is 659322901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109223957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39780 + ... + 42436.

It is an arithmetic number, because the mean of its divisors is an integer number (8186640).

Almost surely, 2^109223956 is an apocalyptic number.

It is an amenable number.

109223956 is a deficient number, since it is larger than the sum of its proper divisors (87255404).

109223956 is a wasteful number, since it uses less digits than its factorization.

109223956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 109223956 is about 10451.0265524493. The cubic root of 109223956 is about 478.0125519716.

It can be divided in two parts, 10922 and 3956, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 109223956 in words is "one hundred nine million, two hundred twenty-three thousand, nine hundred fifty-six".