150023431 has 4 divisors (see below), whose sum is σ = 153512392. Its totient is φ = 146534472.

The previous prime is 150023417. The next prime is 150023459. The reversal of 150023431 is 134320051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134320051 = 733 ⋅183247.

It is a cyclic number.

It is not a de Polignac number, because 150023431 - 2²¹ = 147926279 is a prime.

It is a super-2 number, since 2×150023431² = 45014059698023522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150023399 and 150023408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150023831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744416 + ... + 1744501.

It is an arithmetic number, because the mean of its divisors is an integer number (38378098).

Almost surely, 2^150023431 is an apocalyptic number.

150023431 is a deficient number, since it is larger than the sum of its proper divisors (3488961).

150023431 is an equidigital number, since it uses as much as digits as its factorization.

150023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488960.

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

The square root of 150023431 is about 12248.4052431327. The cubic root of 150023431 is about 531.3569488764.

Adding to 150023431 its reverse (134320051), we get a palindrome (284343482).

The spelling of 150023431 in words is "one hundred fifty million, twenty-three thousand, four hundred thirty-one".