42623353 has 2 divisors, whose sum is σ = 42623354. Its totient is φ = 42623352.

The previous prime is 42623351. The next prime is 42623411. The reversal of 42623353 is 35332624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 2832489 = 6308^2 + 1683^2 .

It is a cyclic number.

It is not a de Polignac number, because 42623353 - 2¹ = 42623351 is a prime.

Together with 42623351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42623351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21311676 + 21311677.

It is an arithmetic number, because the mean of its divisors is an integer number (21311677).

Almost surely, 2^42623353 is an apocalyptic number.

It is an amenable number.

42623353 is a deficient number, since it is larger than the sum of its proper divisors (1).

42623353 is an equidigital number, since it uses as much as digits as its factorization.

42623353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 28.

The square root of 42623353 is about 6528.6562936028. The cubic root of 42623353 is about 349.3139021939.

Adding to 42623353 its reverse (35332624), we get a palindrome (77955977).

The spelling of 42623353 in words is "forty-two million, six hundred twenty-three thousand, three hundred fifty-three".