1623808242 has 32 divisors (see below), whose sum is σ = 4123958400. Its totient is φ = 463945104.

The previous prime is 1623808231. The next prime is 1623808243. The reversal of 1623808242 is 2428083261.

1623808242 is a `hidden beast` number, since 1 + 623 + 8 + 0 + 8 + 24 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1623808197 and 1623808206.

It is not an unprimeable number, because it can be changed into a prime (1623808243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147517 + ... + 2148272.

It is an arithmetic number, because the mean of its divisors is an integer number (128873700).

Almost surely, 2^1623808242 is an apocalyptic number.

1623808242 is an abundant number, since it is smaller than the sum of its proper divisors (2500150158).

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

1623808242 is a wasteful number, since it uses less digits than its factorization.

1623808242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295807 (or 4295801 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1623808242 is about 40296.5040915462. The cubic root of 1623808242 is about 1175.3798661943.

The spelling of 1623808242 in words is "one billion, six hundred twenty-three million, eight hundred eight thousand, two hundred forty-two".