23391842 has 8 divisors (see below), whose sum is σ = 35116032. Its totient is φ = 11686500.

The previous prime is 23391839. The next prime is 23391859. The reversal of 23391842 is 24819332.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 23391799 and 23391808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (4389504).

Almost surely, 2^23391842 is an apocalyptic number.

23391842 is a deficient number, since it is larger than the sum of its proper divisors (11724190).

23391842 is a wasteful number, since it uses less digits than its factorization.

23391842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424.

The product of its digits is 10368, while the sum is 32.

The square root of 23391842 is about 4836.5113460014. The cubic root of 23391842 is about 285.9926074344.

The spelling of 23391842 in words is "twenty-three million, three hundred ninety-one thousand, eight hundred forty-two".