1623422136 has 96 divisors (see below), whose sum is σ = 4873582080. Its totient is φ = 448862400.

The previous prime is 1623422131. The next prime is 1623422153. The reversal of 1623422136 is 6312243261.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623422131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14191 + ... + 58721.

It is an arithmetic number, because the mean of its divisors is an integer number (50766480).

Almost surely, 2^1623422136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1623422136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436791040).

1623422136 is an abundant number, since it is smaller than the sum of its proper divisors (3250159944).

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

1623422136 is a wasteful number, since it uses less digits than its factorization.

1623422136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44585 (or 44574 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 1623422136 is about 40291.7129941133. The cubic root of 1623422136 is about 1175.2866989551.

Adding to 1623422136 its reverse (6312243261), we get a palindrome (7935665397).

The spelling of 1623422136 in words is "one billion, six hundred twenty-three million, four hundred twenty-two thousand, one hundred thirty-six".