23949951 has 8 divisors (see below), whose sum is σ = 32067840. Its totient is φ = 15899352.

The previous prime is 23949941. The next prime is 23949973. The reversal of 23949951 is 15994932.

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

It is not a de Polignac number, because 23949951 - 2¹⁵ = 23917183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23949941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15985 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (4008480).

Almost surely, 2^23949951 is an apocalyptic number.

23949951 is a deficient number, since it is larger than the sum of its proper divisors (8117889).

23949951 is a wasteful number, since it uses less digits than its factorization.

23949951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33645.

The product of its digits is 87480, while the sum is 42.

The square root of 23949951 is about 4893.8687150352. The cubic root of 23949951 is about 288.2492657746.

The spelling of 23949951 in words is "twenty-three million, nine hundred forty-nine thousand, nine hundred fifty-one".