23623842 has 32 divisors (see below), whose sum is σ = 51865920. Its totient is φ = 7113920.

The previous prime is 23623841. The next prime is 23623843. The reversal of 23623842 is 24832632.

It is an interprime number because it is at equal distance from previous prime (23623841) and next prime (23623843).

It is not an unprimeable number, because it can be changed into a prime (23623841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10384 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (1620810).

Almost surely, 2^23623842 is an apocalyptic number.

23623842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23623842 is an abundant number, since it is smaller than the sum of its proper divisors (28242078).

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

23623842 is a wasteful number, since it uses less digits than its factorization.

23623842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its digits is 13824, while the sum is 30.

The square root of 23623842 is about 4860.4364001600. The cubic root of 23623842 is about 286.9349891397.

The spelling of 23623842 in words is "twenty-three million, six hundred twenty-three thousand, eight hundred forty-two".