131444123 has 8 divisors (see below), whose sum is σ = 136289280. Its totient is φ = 126636840.

The previous prime is 131444087. The next prime is 131444129. The reversal of 131444123 is 321444131.

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

It is a cyclic number.

It is not a de Polignac number, because 131444123 - 2²² = 127249819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131444129) 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, 2303 + ... + 16376.

It is an arithmetic number, because the mean of its divisors is an integer number (17036160).

Almost surely, 2^131444123 is an apocalyptic number.

131444123 is a deficient number, since it is larger than the sum of its proper divisors (4845157).

131444123 is a wasteful number, since it uses less digits than its factorization.

131444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18937.

The product of its digits is 1152, while the sum is 23.

The square root of 131444123 is about 11464.9083293326. The cubic root of 131444123 is about 508.4486021736.

Adding to 131444123 its reverse (321444131), we get a palindrome (452888254).

The spelling of 131444123 in words is "one hundred thirty-one million, four hundred forty-four thousand, one hundred twenty-three".