151312423 has 4 divisors (see below), whose sum is σ = 157891248. Its totient is φ = 144733600.

The previous prime is 151312417. The next prime is 151312433. The reversal of 151312423 is 324213151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324213151 = 6473 ⋅50087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151312423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151312394 and 151312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151312433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3289378 + ... + 3289423.

It is an arithmetic number, because the mean of its divisors is an integer number (39472812).

Almost surely, 2^151312423 is an apocalyptic number.

151312423 is a deficient number, since it is larger than the sum of its proper divisors (6578825).

151312423 is an equidigital number, since it uses as much as digits as its factorization.

151312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578824.

The product of its digits is 720, while the sum is 22.

The square root of 151312423 is about 12300.9114702936. The cubic root of 151312423 is about 532.8744064710.

Adding to 151312423 its reverse (324213151), we get a palindrome (475525574).

The spelling of 151312423 in words is "one hundred fifty-one million, three hundred twelve thousand, four hundred twenty-three".