131072723 has 2 divisors, whose sum is σ = 131072724. Its totient is φ = 131072722.

The previous prime is 131072693. The next prime is 131072749. The reversal of 131072723 is 327270131.

It is an a-pointer prime, because the next prime (131072749) can be obtained adding 131072723 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131072723 - 2¹⁸ = 130810579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131072692 and 131072701.

It is not a weakly prime, because it can be changed into another prime (131072923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65536361 + 65536362.

It is an arithmetic number, because the mean of its divisors is an integer number (65536362).

Almost surely, 2^131072723 is an apocalyptic number.

131072723 is a deficient number, since it is larger than the sum of its proper divisors (1).

131072723 is an equidigital number, since it uses as much as digits as its factorization.

131072723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 131072723 is about 11448.6996204809. The cubic root of 131072723 is about 507.9692706214.

The spelling of 131072723 in words is "one hundred thirty-one million, seventy-two thousand, seven hundred twenty-three".