150717621031423 has 2 divisors, whose sum is σ = 150717621031424. Its totient is φ = 150717621031422.

The previous prime is 150717621031409. The next prime is 150717621031447. The reversal of 150717621031423 is 324130126717051.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150717621031423 is a prime.

It is a super-2 number, since 2×150717621031423² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150717621031423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150717621031493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75358810515711 + 75358810515712.

It is an arithmetic number, because the mean of its divisors is an integer number (75358810515712).

Almost surely, 2^{150717621031423} is an apocalyptic number.

150717621031423 is a deficient number, since it is larger than the sum of its proper divisors (1).

150717621031423 is an equidigital number, since it uses as much as digits as its factorization.

150717621031423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

Adding to 150717621031423 its reverse (324130126717051), we get a palindrome (474847747748474).

The spelling of 150717621031423 in words is "one hundred fifty trillion, seven hundred seventeen billion, six hundred twenty-one million, thirty-one thousand, four hundred twenty-three".