23822738 has 4 divisors (see below), whose sum is σ = 35734110. Its totient is φ = 11911368.

The previous prime is 23822737. The next prime is 23822741. The reversal of 23822738 is 83722832.

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., 22061809 + 1760929 = 4697^2 + 1327^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23822698 and 23822707.

It is not an unprimeable number, because it can be changed into a prime (23822737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955683 + ... + 5955686.

Almost surely, 2^23822738 is an apocalyptic number.

23822738 is a deficient number, since it is larger than the sum of its proper divisors (11911372).

23822738 is a wasteful number, since it uses less digits than its factorization.

23822738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911371.

The product of its digits is 32256, while the sum is 35.

The square root of 23822738 is about 4880.8542285137. The cubic root of 23822738 is about 287.7380027924.

The spelling of 23822738 in words is "twenty-three million, eight hundred twenty-two thousand, seven hundred thirty-eight".