23857342 has 8 divisors (see below), whose sum is σ = 35815032. Its totient is φ = 11919000.

The previous prime is 23857333. The next prime is 23857357. The reversal of 23857342 is 24375832.

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

It is a super-3 number, since 3×23857342³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23857298 and 23857307.

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, 1209 + ... + 7012.

It is an arithmetic number, because the mean of its divisors is an integer number (4476879).

Almost surely, 2^23857342 is an apocalyptic number.

23857342 is a deficient number, since it is larger than the sum of its proper divisors (11957690).

23857342 is a wasteful number, since it uses less digits than its factorization.

23857342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674.

The product of its digits is 40320, while the sum is 34.

The square root of 23857342 is about 4884.3978134464. The cubic root of 23857342 is about 287.8772544706.

The spelling of 23857342 in words is "twenty-three million, eight hundred fifty-seven thousand, three hundred forty-two".