109487723 has 2 divisors, whose sum is σ = 109487724.
Its totient is φ = 109487722.
The previous prime is 109487717. The next prime is 109487743. The reversal of 109487723 is 327784901.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 109487723 - 224 = 92710507 is a prime.
It is a super-2 number, since 2×1094877232 = 23975122975449458, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (109487743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54743861 + 54743862.
It is an arithmetic number, because the mean of its divisors is an integer number (54743862).
Almost surely, 2109487723 is an apocalyptic number.
109487723 is a deficient number, since it is larger than the sum of its proper divisors (1).
109487723 is an equidigital number, since it uses as much as digits as its factorization.
109487723 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 41.
The square root of 109487723 is about 10463.6381340335.
The cubic root of 109487723 is about 478.3970298316.
The spelling of 109487723 in words is "one hundred nine million, four hundred eighty-seven thousand, seven hundred twenty-three".