23349138 has 32 divisors (see below), whose sum is σ = 50749440. Its totient is φ = 7134480.

The previous prime is 23349127. The next prime is 23349149. The reversal of 23349138 is 83194332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23349127) and next prime (23349149).

It is a junction number, because it is equal to n+sod(n) for n = 23349099 and 23349108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (1585920).

Almost surely, 2^23349138 is an apocalyptic number.

23349138 is an abundant number, since it is smaller than the sum of its proper divisors (27400302).

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

23349138 is a wasteful number, since it uses less digits than its factorization.

23349138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662.

The product of its digits is 15552, while the sum is 33.

The square root of 23349138 is about 4832.0945768890. The cubic root of 23349138 is about 285.8184659842.

The spelling of 23349138 in words is "twenty-three million, three hundred forty-nine thousand, one hundred thirty-eight".