107623409 has 4 divisors (see below), whose sum is σ = 107644416. Its totient is φ = 107602404.

The previous prime is 107623393. The next prime is 107623423. The reversal of 107623409 is 904326701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 904326701 = 73 ⋅12388037.

It is a cyclic number.

It is not a de Polignac number, because 107623409 - 2⁴ = 107623393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107623499) 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, 2792 + ... + 14934.

It is an arithmetic number, because the mean of its divisors is an integer number (26911104).

Almost surely, 2^107623409 is an apocalyptic number.

It is an amenable number.

107623409 is a deficient number, since it is larger than the sum of its proper divisors (21007).

107623409 is an equidigital number, since it uses as much as digits as its factorization.

107623409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21006.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 107623409 is about 10374.1702800754. The cubic root of 107623409 is about 475.6661515780. Note that the first 3 decimals are identical.

The spelling of 107623409 in words is "one hundred seven million, six hundred twenty-three thousand, four hundred nine".