23181342 has 16 divisors (see below), whose sum is σ = 47123472. Its totient is φ = 7600320.

The previous prime is 23181341. The next prime is 23181377. The reversal of 23181342 is 24318132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23181341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31303 + ... + 32034.

It is an arithmetic number, because the mean of its divisors is an integer number (2945217).

Almost surely, 2^23181342 is an apocalyptic number.

23181342 is an abundant number, since it is smaller than the sum of its proper divisors (23942130).

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

23181342 is a wasteful number, since it uses less digits than its factorization.

23181342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63403.

The product of its digits is 1152, while the sum is 24.

The square root of 23181342 is about 4814.7006137454. The cubic root of 23181342 is about 285.1321517017.

Adding to 23181342 its reverse (24318132), we get a palindrome (47499474).

The spelling of 23181342 in words is "twenty-three million, one hundred eighty-one thousand, three hundred forty-two".