243423251026 has 32 divisors (see below), whose sum is σ = 391383316800. Its totient is φ = 113201671680.

The previous prime is 243423251021. The next prime is 243423251033. The reversal of 243423251026 is 620152324342.

It is a junction number, because it is equal to n+sod(n) for n = 243423250982 and 243423251000.

It is not an unprimeable number, because it can be changed into a prime (243423251021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634826 + ... + 1777498.

It is an arithmetic number, because the mean of its divisors is an integer number (12230728650).

Almost surely, 2^243423251026 is an apocalyptic number.

243423251026 is a deficient number, since it is larger than the sum of its proper divisors (147960065774).

243423251026 is a wasteful number, since it uses less digits than its factorization.

243423251026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143514.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 243423251026 its reverse (620152324342), we get a palindrome (863575575368).

The spelling of 243423251026 in words is "two hundred forty-three billion, four hundred twenty-three million, two hundred fifty-one thousand, twenty-six".