23940226 has 4 divisors (see below), whose sum is σ = 35910342. Its totient is φ = 11970112.

The previous prime is 23940223. The next prime is 23940251. The reversal of 23940226 is 62204932.

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., 19936225 + 4004001 = 4465^2 + 2001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23940194 and 23940203.

It is not an unprimeable number, because it can be changed into a prime (23940223) 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, 5985055 + ... + 5985058.

Almost surely, 2^23940226 is an apocalyptic number.

23940226 is a deficient number, since it is larger than the sum of its proper divisors (11970116).

23940226 is a wasteful number, since it uses less digits than its factorization.

23940226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970115.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 23940226 is about 4892.8750239506. The cubic root of 23940226 is about 288.2102454635.

The spelling of 23940226 in words is "twenty-three million, nine hundred forty thousand, two hundred twenty-six".