1234345005 has 48 divisors (see below), whose sum is σ = 2172718080. Its totient is φ = 648172800.

The previous prime is 1234344977. The next prime is 1234345019. The reversal of 1234345005 is 5005434321.

1234345005 is a `hidden beast` number, since 123 + 4 + 34 + 500 + 5 = 666.

It is not a de Polignac number, because 1234345005 - 2⁹ = 1234344493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1234345005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1245060 + ... + 1246050.

It is an arithmetic number, because the mean of its divisors is an integer number (45264960).

Almost surely, 2^1234345005 is an apocalyptic number.

1234345005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1234345005 is a deficient number, since it is larger than the sum of its proper divisors (938373075).

1234345005 is a wasteful number, since it uses less digits than its factorization.

1234345005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1234345005 is about 35133.2464341114. The cubic root of 1234345005 is about 1072.7014178248.

Adding to 1234345005 its reverse (5005434321), we get a palindrome (6239779326).

The spelling of 1234345005 in words is "one billion, two hundred thirty-four million, three hundred forty-five thousand, five".