42154323 has 16 divisors (see below), whose sum is σ = 57296256. Its totient is φ = 27561600.

The previous prime is 42154303. The next prime is 42154337. The reversal of 42154323 is 32345124.

It is not a de Polignac number, because 42154323 - 2⁵ = 42154291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42154293 and 42154302.

It is not an unprimeable number, because it can be changed into a prime (42154303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80340 + ... + 80862.

It is an arithmetic number, because the mean of its divisors is an integer number (3581016).

Almost surely, 2^42154323 is an apocalyptic number.

42154323 is a deficient number, since it is larger than the sum of its proper divisors (15141933).

42154323 is a wasteful number, since it uses less digits than its factorization.

42154323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its digits is 2880, while the sum is 24.

The square root of 42154323 is about 6492.6360594138. The cubic root of 42154323 is about 348.0278828894.

Adding to 42154323 its reverse (32345124), we get a palindrome (74499447).

The spelling of 42154323 in words is "forty-two million, one hundred fifty-four thousand, three hundred twenty-three".