23843470 has 32 divisors (see below), whose sum is σ = 49540608. Its totient is φ = 8093088.

The previous prime is 23843467. The next prime is 23843471. The reversal of 23843470 is 7434832.

It is a happy number.

It is a super-2 number, since 2×23843470² = 1137022123281800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23843471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5557 + ... + 8863.

It is an arithmetic number, because the mean of its divisors is an integer number (1548144).

Almost surely, 2^23843470 is an apocalyptic number.

23843470 is an abundant number, since it is smaller than the sum of its proper divisors (25697138).

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

23843470 is a wasteful number, since it uses less digits than its factorization.

23843470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 23843470 is about 4882.9775752096. The cubic root of 23843470 is about 287.8214476456.

The spelling of 23843470 in words is "twenty-three million, eight hundred forty-three thousand, four hundred seventy".