2115423434 has 8 divisors (see below), whose sum is σ = 3173570400. Its totient is φ = 1057566636.

The previous prime is 2115423421. The next prime is 2115423437. The reversal of 2115423434 is 4343245112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2115423397 and 2115423406.

It is not an unprimeable number, because it can be changed into a prime (2115423437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53294 + ... + 84089.

It is an arithmetic number, because the mean of its divisors is an integer number (396696300).

Almost surely, 2^2115423434 is an apocalyptic number.

2115423434 is a deficient number, since it is larger than the sum of its proper divisors (1058146966).

2115423434 is a wasteful number, since it uses less digits than its factorization.

2115423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145084.

The product of its digits is 11520, while the sum is 29.

The square root of 2115423434 is about 45993.7325512944. The cubic root of 2115423434 is about 1283.7065889643.

Adding to 2115423434 its reverse (4343245112), we get a palindrome (6458668546).

The spelling of 2115423434 in words is "two billion, one hundred fifteen million, four hundred twenty-three thousand, four hundred thirty-four".