23308142 has 24 divisors (see below), whose sum is σ = 41306760. Its totient is φ = 9778080.

The previous prime is 23308069. The next prime is 23308157. The reversal of 23308142 is 24180332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584 + ... + 6852.

It is an arithmetic number, because the mean of its divisors is an integer number (1721115).

Almost surely, 2^23308142 is an apocalyptic number.

23308142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23308142 is a deficient number, since it is larger than the sum of its proper divisors (17998618).

23308142 is a wasteful number, since it uses less digits than its factorization.

23308142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308 (or 6295 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23308142 is about 4827.8506604906. The cubic root of 23308142 is about 285.6510896658.

Adding to 23308142 its reverse (24180332), we get a palindrome (47488474).

The spelling of 23308142 in words is "twenty-three million, three hundred eight thousand, one hundred forty-two".