23049561 has 8 divisors (see below), whose sum is σ = 30793824. Its totient is φ = 15335840.

The previous prime is 23049553. The next prime is 23049563. The reversal of 23049561 is 16594032.

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

It is a cyclic number.

It is not a de Polignac number, because 23049561 - 2³ = 23049553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23049563) 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, 5811 + ... + 8936.

It is an arithmetic number, because the mean of its divisors is an integer number (3849228).

Almost surely, 2^23049561 is an apocalyptic number.

It is an amenable number.

23049561 is a deficient number, since it is larger than the sum of its proper divisors (7744263).

23049561 is a wasteful number, since it uses less digits than its factorization.

23049561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23049561 is about 4800.9958341994. The cubic root of 23049561 is about 284.5908193984.

The spelling of 23049561 in words is "twenty-three million, forty-nine thousand, five hundred sixty-one".