23081649 has 8 divisors (see below), whose sum is σ = 30801600. Its totient is φ = 15374736.

The previous prime is 23081633. The next prime is 23081657. The reversal of 23081649 is 94618032.

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

It is not a de Polignac number, because 23081649 - 2⁴ = 23081633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23081609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164 + ... + 7130.

It is an arithmetic number, because the mean of its divisors is an integer number (3850200).

Almost surely, 2^23081649 is an apocalyptic number.

It is an amenable number.

23081649 is a deficient number, since it is larger than the sum of its proper divisors (7719951).

23081649 is a wasteful number, since it uses less digits than its factorization.

23081649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 23081649 is about 4804.3364786409. The cubic root of 23081649 is about 284.7228206958.

The spelling of 23081649 in words is "twenty-three million, eighty-one thousand, six hundred forty-nine".