2115412423 has 4 divisors (see below), whose sum is σ = 2120461560. Its totient is φ = 2110363288.

The previous prime is 2115412393. The next prime is 2115412427. The reversal of 2115412423 is 3242145112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115412423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115412427) 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, 2523940 + ... + 2524777.

It is an arithmetic number, because the mean of its divisors is an integer number (530115390).

Almost surely, 2^2115412423 is an apocalyptic number.

2115412423 is a deficient number, since it is larger than the sum of its proper divisors (5049137).

2115412423 is an equidigital number, since it uses as much as digits as its factorization.

2115412423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049136.

The product of its digits is 1920, while the sum is 25.

The square root of 2115412423 is about 45993.6128500469. The cubic root of 2115412423 is about 1283.7043616848.

Adding to 2115412423 its reverse (3242145112), we get a palindrome (5357557535).

The spelling of 2115412423 in words is "two billion, one hundred fifteen million, four hundred twelve thousand, four hundred twenty-three".