1623340212 has 48 divisors (see below), whose sum is σ = 4083721152. Its totient is φ = 498931200.

The previous prime is 1623340189. The next prime is 1623340231. The reversal of 1623340212 is 2120433261.

It is a congruent 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, 147087 + ... + 157737.

It is an arithmetic number, because the mean of its divisors is an integer number (85077524).

Almost surely, 2^1623340212 is an apocalyptic number.

1623340212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1623340212 is an abundant number, since it is smaller than the sum of its proper divisors (2460380940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623340212 is a wasteful number, since it uses less digits than its factorization.

1623340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648 (or 11646 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1623340212 is about 40290.6963454344. The cubic root of 1623340212 is about 1175.2669288236.

Adding to 1623340212 its reverse (2120433261), we get a palindrome (3743773473).

The spelling of 1623340212 in words is "one billion, six hundred twenty-three million, three hundred forty thousand, two hundred twelve".