23153946 has 8 divisors (see below), whose sum is σ = 46307904. Its totient is φ = 7717980.

The previous prime is 23153941. The next prime is 23153981. The reversal of 23153946 is 64935132.

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

23153946 is an admirable number.

It is a super-2 number, since 2×23153946² = 1072210430741832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23153941) 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 3 ways as a sum of consecutive naturals, for example, 1929490 + ... + 1929501.

It is an arithmetic number, because the mean of its divisors is an integer number (5788488).

Almost surely, 2^23153946 is an apocalyptic number.

23153946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23153946 is a wasteful number, since it uses less digits than its factorization.

23153946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858996.

The product of its digits is 19440, while the sum is 33.

The square root of 23153946 is about 4811.8547359620. The cubic root of 23153946 is about 285.0197831758.

The spelling of 23153946 in words is "twenty-three million, one hundred fifty-three thousand, nine hundred forty-six".