23748945 has 32 divisors (see below), whose sum is σ = 42799104. Its totient is φ = 11140800.

The previous prime is 23748913. The next prime is 23748973. The reversal of 23748945 is 54984732.

It is not a de Polignac number, because 23748945 - 2⁵ = 23748913 is a prime.

It is a super-2 number, since 2×23748945² = 1128024777226050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23748897 and 23748906.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2794 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (1337472).

Almost surely, 2^23748945 is an apocalyptic number.

It is an amenable number.

23748945 is a deficient number, since it is larger than the sum of its proper divisors (19050159).

23748945 is a wasteful number, since it uses less digits than its factorization.

23748945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its digits is 241920, while the sum is 42.

The square root of 23748945 is about 4873.2889304863. The cubic root of 23748945 is about 287.4405976832.

The spelling of 23748945 in words is "twenty-three million, seven hundred forty-eight thousand, nine hundred forty-five".