109423437 has 8 divisors (see below), whose sum is σ = 147189504. Its totient is φ = 72303168.

The previous prime is 109423427. The next prime is 109423439. The reversal of 109423437 is 734324901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-109423437 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 109423398 and 109423407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109423439) 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, 161053 + ... + 161730.

It is an arithmetic number, because the mean of its divisors is an integer number (18398688).

Almost surely, 2^109423437 is an apocalyptic number.

It is an amenable number.

109423437 is a deficient number, since it is larger than the sum of its proper divisors (37766067).

109423437 is a wasteful number, since it uses less digits than its factorization.

109423437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322899.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 109423437 is about 10460.5658068768. The cubic root of 109423437 is about 478.3033808156.

It can be divided in two parts, 1094 and 23437, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 109423437 in words is "one hundred nine million, four hundred twenty-three thousand, four hundred thirty-seven".