23001147 has 24 divisors (see below), whose sum is σ = 37018800. Its totient is φ = 13664448.

The previous prime is 23001137. The next prime is 23001149. The reversal of 23001147 is 74110032.

It is not a de Polignac number, because 23001147 - 2⁷ = 23001019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23001149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (1542450).

Almost surely, 2^23001147 is an apocalyptic number.

23001147 is a deficient number, since it is larger than the sum of its proper divisors (14017653).

23001147 is a wasteful number, since it uses less digits than its factorization.

23001147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827 (or 6824 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 23001147 is about 4795.9511048383. The cubic root of 23001147 is about 284.3914253202.

Adding to 23001147 its reverse (74110032), we get a palindrome (97111179).

The spelling of 23001147 in words is "twenty-three million, one thousand, one hundred forty-seven".