107749423 has 4 divisors (see below), whose sum is σ = 107794120. Its totient is φ = 107704728.

The previous prime is 107749393. The next prime is 107749441. The reversal of 107749423 is 324947701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324947701 = 13 ⋅24995977.

It is a cyclic number.

It is not a de Polignac number, because 107749423 - 2¹⁷ = 107618351 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 (107749493) 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, 18513 + ... + 23626.

It is an arithmetic number, because the mean of its divisors is an integer number (26948530).

Almost surely, 2^107749423 is an apocalyptic number.

107749423 is a deficient number, since it is larger than the sum of its proper divisors (44697).

107749423 is an equidigital number, since it uses as much as digits as its factorization.

107749423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44696.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 107749423 is about 10380.2419528641. The cubic root of 107749423 is about 475.8517283523.

The spelling of 107749423 in words is "one hundred seven million, seven hundred forty-nine thousand, four hundred twenty-three".