135001423 has 2 divisors, whose sum is σ = 135001424. Its totient is φ = 135001422.

The previous prime is 135001417. The next prime is 135001453. The reversal of 135001423 is 324100531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135001423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135001423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135001453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67500711 + 67500712.

It is an arithmetic number, because the mean of its divisors is an integer number (67500712).

Almost surely, 2^135001423 is an apocalyptic number.

135001423 is a deficient number, since it is larger than the sum of its proper divisors (1).

135001423 is an equidigital number, since it uses as much as digits as its factorization.

135001423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 135001423 is about 11619.0112746309. The cubic root of 135001423 is about 512.9945864380.

Adding to 135001423 its reverse (324100531), we get a palindrome (459101954).

It can be divided in two parts, 135001 and 423, that added together give a square (135424 = 368²).

The spelling of 135001423 in words is "one hundred thirty-five million, one thousand, four hundred twenty-three".