42152323 has 2 divisors, whose sum is σ = 42152324. Its totient is φ = 42152322.

The previous prime is 42152321. The next prime is 42152339. The reversal of 42152323 is 32325124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42152323 - 2¹ = 42152321 is a prime.

Together with 42152321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42152294 and 42152303.

It is not a weakly prime, because it can be changed into another prime (42152321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21076161 + 21076162.

It is an arithmetic number, because the mean of its divisors is an integer number (21076162).

Almost surely, 2^42152323 is an apocalyptic number.

42152323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42152323 is an equidigital number, since it uses as much as digits as its factorization.

42152323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 42152323 is about 6492.4820369409. The cubic root of 42152323 is about 348.0223787740.

Adding to 42152323 its reverse (32325124), we get a palindrome (74477447).

The spelling of 42152323 in words is "forty-two million, one hundred fifty-two thousand, three hundred twenty-three".