23357242 has 4 divisors (see below), whose sum is σ = 35035866. Its totient is φ = 11678620.

The previous prime is 23357239. The next prime is 23357263. The reversal of 23357242 is 24275332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19280881 + 4076361 = 4391^2 + 2019^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23357242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839309 + ... + 5839312.

Almost surely, 2^23357242 is an apocalyptic number.

23357242 is a deficient number, since it is larger than the sum of its proper divisors (11678624).

23357242 is a wasteful number, since it uses less digits than its factorization.

23357242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678623.

The product of its digits is 10080, while the sum is 28.

The square root of 23357242 is about 4832.9330638857. The cubic root of 23357242 is about 285.8515293736.

It can be divided in two parts, 233 and 57242, that added together give a palindrome (57475).

The spelling of 23357242 in words is "twenty-three million, three hundred fifty-seven thousand, two hundred forty-two".