131120023 has 8 divisors (see below), whose sum is σ = 131950080. Its totient is φ = 130293240.

The previous prime is 131120021. The next prime is 131120053. The reversal of 131120023 is 320021131.

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 131120023 - 2¹ = 131120021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131119985 and 131120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158136 + ... + 158962.

It is an arithmetic number, because the mean of its divisors is an integer number (16493760).

Almost surely, 2^131120023 is an apocalyptic number.

131120023 is a deficient number, since it is larger than the sum of its proper divisors (830057).

131120023 is an equidigital number, since it uses as much as digits as its factorization.

131120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131120023 is about 11450.7651709395. The cubic root of 131120023 is about 508.0303666205.

Adding to 131120023 its reverse (320021131), we get a palindrome (451141154).

The spelling of 131120023 in words is "one hundred thirty-one million, one hundred twenty thousand, twenty-three".