42623313 has 32 divisors (see below), whose sum is σ = 60867072. Its totient is φ = 26496000.

The previous prime is 42623299. The next prime is 42623351. The reversal of 42623313 is 31332624.

It is not a de Polignac number, because 42623313 - 2⁶ = 42623249 is a prime.

It is a super-2 number, since 2×42623313² = 3633493622191938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42623353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421963 + ... + 422063.

It is an arithmetic number, because the mean of its divisors is an integer number (1902096).

Almost surely, 2^42623313 is an apocalyptic number.

It is an amenable number.

42623313 is a deficient number, since it is larger than the sum of its proper divisors (18243759).

42623313 is a wasteful number, since it uses less digits than its factorization.

42623313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 2592, while the sum is 24.

The square root of 42623313 is about 6528.6532301846. The cubic root of 42623313 is about 349.3137929223.

Adding to 42623313 its reverse (31332624), we get a palindrome (73955937).

The spelling of 42623313 in words is "forty-two million, six hundred twenty-three thousand, three hundred thirteen".