2012423505 has 16 divisors (see below), whose sum is σ = 3233243904. Its totient is φ = 1068837120.

The previous prime is 2012423461. The next prime is 2012423537. The reversal of 2012423505 is 5053242102.

It is not a de Polignac number, because 2012423505 - 2²⁹ = 1475552593 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274729 + ... + 281958.

It is an arithmetic number, because the mean of its divisors is an integer number (202077744).

Almost surely, 2^2012423505 is an apocalyptic number.

It is an amenable number.

2012423505 is a deficient number, since it is larger than the sum of its proper divisors (1220820399).

2012423505 is a wasteful number, since it uses less digits than its factorization.

2012423505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556936.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2012423505 is about 44860.0435242767. The cubic root of 2012423505 is about 1262.5244393531.

Adding to 2012423505 its reverse (5053242102), we get a palindrome (7065665607).

The spelling of 2012423505 in words is "two billion, twelve million, four hundred twenty-three thousand, five hundred five".