23891514 has 16 divisors (see below), whose sum is σ = 49324800. Its totient is φ = 7706880.

The previous prime is 23891507. The next prime is 23891533. The reversal of 23891514 is 41519832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64039 + ... + 64410.

It is an arithmetic number, because the mean of its divisors is an integer number (3082800).

Almost surely, 2^23891514 is an apocalyptic number.

23891514 is an abundant number, since it is smaller than the sum of its proper divisors (25433286).

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

23891514 is a wasteful number, since it uses less digits than its factorization.

23891514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128485.

The product of its digits is 8640, while the sum is 33.

The square root of 23891514 is about 4887.8946387990. The cubic root of 23891514 is about 288.0146356374.

The spelling of 23891514 in words is "twenty-three million, eight hundred ninety-one thousand, five hundred fourteen".