42323455 has 16 divisors (see below), whose sum is σ = 54540864. Its totient is φ = 31413760.

The previous prime is 42323423. The next prime is 42323459. The reversal of 42323455 is 55432324.

It is not a de Polignac number, because 42323455 - 2⁵ = 42323423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42323459) 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 15 ways as a sum of consecutive naturals, for example, 2529 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (3408804).

Almost surely, 2^42323455 is an apocalyptic number.

42323455 is a deficient number, since it is larger than the sum of its proper divisors (12217409).

42323455 is a wasteful number, since it uses less digits than its factorization.

42323455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106.

The product of its digits is 14400, while the sum is 28.

The square root of 42323455 is about 6505.6479308367. The cubic root of 42323455 is about 348.4927154349.

Adding to 42323455 its reverse (55432324), we get a palindrome (97755779).

It can be divided in two parts, 42323 and 455, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42323455 in words is "forty-two million, three hundred twenty-three thousand, four hundred fifty-five".