131153723 has 2 divisors, whose sum is σ = 131153724. Its totient is φ = 131153722.

The previous prime is 131153717. The next prime is 131153767. The reversal of 131153723 is 327351131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131153723 - 2¹⁴ = 131137339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131153692 and 131153701.

It is not a weakly prime, because it can be changed into another prime (131153423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65576861 + 65576862.

It is an arithmetic number, because the mean of its divisors is an integer number (65576862).

Almost surely, 2^131153723 is an apocalyptic number.

131153723 is a deficient number, since it is larger than the sum of its proper divisors (1).

131153723 is an equidigital number, since it uses as much as digits as its factorization.

131153723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 26.

The square root of 131153723 is about 11452.2365937838. The cubic root of 131153723 is about 508.0738869423.

The spelling of 131153723 in words is "one hundred thirty-one million, one hundred fifty-three thousand, seven hundred twenty-three".