131377423 has 2 divisors, whose sum is σ = 131377424. Its totient is φ = 131377422.

The previous prime is 131377387. The next prime is 131377429. The reversal of 131377423 is 324773131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131377423 - 2¹⁷ = 131246351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131377429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65688711 + 65688712.

It is an arithmetic number, because the mean of its divisors is an integer number (65688712).

Almost surely, 2^131377423 is an apocalyptic number.

131377423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131377423 is an equidigital number, since it uses as much as digits as its factorization.

131377423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 31.

The square root of 131377423 is about 11461.9990839295. Note that the first 3 decimals coincide. The cubic root of 131377423 is about 508.3625852437.

The spelling of 131377423 in words is "one hundred thirty-one million, three hundred seventy-seven thousand, four hundred twenty-three".