23006491 has 8 divisors (see below), whose sum is σ = 24408000. Its totient is φ = 21610368.

The previous prime is 23006471. The next prime is 23006497. The reversal of 23006491 is 19460032.

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 23006491 - 2¹⁵ = 22973723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23006497) 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, 10510 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (3051000).

Almost surely, 2^23006491 is an apocalyptic number.

23006491 is a deficient number, since it is larger than the sum of its proper divisors (1401509).

23006491 is a wasteful number, since it uses less digits than its factorization.

23006491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 23006491 is about 4796.5082091038. The cubic root of 23006491 is about 284.4134484262.

The spelling of 23006491 in words is "twenty-three million, six thousand, four hundred ninety-one".