23456438 has 8 divisors (see below), whose sum is σ = 35281632. Its totient is φ = 11695896.

The previous prime is 23456437. The next prime is 23456449. The reversal of 23456438 is 83465432.

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 = 23456398 and 23456407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15245 + ... + 16712.

It is an arithmetic number, because the mean of its divisors is an integer number (4410204).

Almost surely, 2^23456438 is an apocalyptic number.

23456438 is a deficient number, since it is larger than the sum of its proper divisors (11825194).

23456438 is a wasteful number, since it uses less digits than its factorization.

23456438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326.

The product of its digits is 69120, while the sum is 35.

The square root of 23456438 is about 4843.1846960445. The cubic root of 23456438 is about 286.2556193477.

The spelling of 23456438 in words is "twenty-three million, four hundred fifty-six thousand, four hundred thirty-eight".