23138322 has 32 divisors (see below), whose sum is σ = 48771072. Its totient is φ = 7303824.

The previous prime is 23138303. The next prime is 23138387. The reversal of 23138322 is 22383132.

It is a junction number, because it is equal to n+sod(n) for n = 23138292 and 23138301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13983 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (1524096).

Almost surely, 2^23138322 is an apocalyptic number.

23138322 is an abundant number, since it is smaller than the sum of its proper divisors (25632750).

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

23138322 is a wasteful number, since it uses less digits than its factorization.

23138322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702.

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

The square root of 23138322 is about 4810.2309715855. The cubic root of 23138322 is about 284.9556594607.

The spelling of 23138322 in words is "twenty-three million, one hundred thirty-eight thousand, three hundred twenty-two".