23356042 has 4 divisors (see below), whose sum is σ = 35034066. Its totient is φ = 11678020.

The previous prime is 23356037. The next prime is 23356043. The reversal of 23356042 is 24065332.

It is a happy number.

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., 22099401 + 1256641 = 4701^2 + 1121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23355998 and 23356016.

It is not an unprimeable number, because it can be changed into a prime (23356043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839009 + ... + 5839012.

Almost surely, 2^23356042 is an apocalyptic number.

23356042 is a deficient number, since it is larger than the sum of its proper divisors (11678024).

23356042 is a wasteful number, since it uses less digits than its factorization.

23356042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678023.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 23356042 is about 4832.8089140789. The cubic root of 23356042 is about 285.8466339938.

The spelling of 23356042 in words is "twenty-three million, three hundred fifty-six thousand, forty-two".