23138582 has 8 divisors (see below), whose sum is σ = 34748400. Its totient is φ = 11555784.

The previous prime is 23138567. The next prime is 23138597. The reversal of 23138582 is 28583132.

It is an interprime number because it is at equal distance from previous prime (23138567) and next prime (23138597).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (4343550).

Almost surely, 2^23138582 is an apocalyptic number.

23138582 is a deficient number, since it is larger than the sum of its proper divisors (11609818).

23138582 is a wasteful number, since it uses less digits than its factorization.

23138582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510.

The product of its digits is 11520, while the sum is 32.

The square root of 23138582 is about 4810.2579972388. The cubic root of 23138582 is about 284.9567267838.

The spelling of 23138582 in words is "twenty-three million, one hundred thirty-eight thousand, five hundred eighty-two".