150140023 has 4 divisors (see below), whose sum is σ = 163789128. Its totient is φ = 136490920.

The previous prime is 150139993. The next prime is 150140027. The reversal of 150140023 is 320041051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320041051 = 11 ⋅29094641.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150140023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150139979 and 150140006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150140027) 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, 6824536 + ... + 6824557.

It is an arithmetic number, because the mean of its divisors is an integer number (40947282).

Almost surely, 2^150140023 is an apocalyptic number.

150140023 is a deficient number, since it is larger than the sum of its proper divisors (13649105).

150140023 is a wasteful number, since it uses less digits than its factorization.

150140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649104.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 150140023 is about 12253.1637955264. The cubic root of 150140023 is about 531.4945627746.

Adding to 150140023 its reverse (320041051), we get a palindrome (470181074).

The spelling of 150140023 in words is "one hundred fifty million, one hundred forty thousand, twenty-three".