1623340156 has 6 divisors (see below), whose sum is σ = 2840845280. Its totient is φ = 811670076.

The previous prime is 1623340151. The next prime is 1623340189. The reversal of 1623340156 is 6510433261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623340151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202917516 + ... + 202917523.

Almost surely, 2^1623340156 is an apocalyptic number.

It is an amenable number.

1623340156 is a deficient number, since it is larger than the sum of its proper divisors (1217505124).

1623340156 is a wasteful number, since it uses less digits than its factorization.

1623340156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405835043 (or 405835041 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1623340156 is about 40290.6956504849. The cubic root of 1623340156 is about 1175.2669153093.

The spelling of 1623340156 in words is "one billion, six hundred twenty-three million, three hundred forty thousand, one hundred fifty-six".