150661423 has 4 divisors (see below), whose sum is σ = 164357928. Its totient is φ = 136964920.

The previous prime is 150661421. The next prime is 150661451. The reversal of 150661423 is 324166051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324166051 = 11 ⋅29469641.

It is a cyclic number.

It is not a de Polignac number, because 150661423 - 2¹ = 150661421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150661391 and 150661400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150661421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6848236 + ... + 6848257.

It is an arithmetic number, because the mean of its divisors is an integer number (41089482).

Almost surely, 2^150661423 is an apocalyptic number.

150661423 is a deficient number, since it is larger than the sum of its proper divisors (13696505).

150661423 is a wasteful number, since it uses less digits than its factorization.

150661423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13696504.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 150661423 is about 12274.4214934961. The cubic root of 150661423 is about 532.1091026449.

The spelling of 150661423 in words is "one hundred fifty million, six hundred sixty-one thousand, four hundred twenty-three".