131415023 has 4 divisors (see below), whose sum is σ = 132075600. Its totient is φ = 130754448.

The previous prime is 131415017. The next prime is 131415041. The reversal of 131415023 is 320514131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131415023 - 2¹⁶ = 131349487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131414986 and 131415004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131415043) 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, 329990 + ... + 330387.

It is an arithmetic number, because the mean of its divisors is an integer number (33018900).

Almost surely, 2^131415023 is an apocalyptic number.

131415023 is a deficient number, since it is larger than the sum of its proper divisors (660577).

131415023 is an equidigital number, since it uses as much as digits as its factorization.

131415023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660576.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131415023 is about 11463.6391691295. The cubic root of 131415023 is about 508.4110781267.

Adding to 131415023 its reverse (320514131), we get a palindrome (451929154).

The spelling of 131415023 in words is "one hundred thirty-one million, four hundred fifteen thousand, twenty-three".