23026487 has 4 divisors (see below), whose sum is σ = 25119816. Its totient is φ = 20933160.

The previous prime is 23026477. The next prime is 23026511. The reversal of 23026487 is 78462032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23026487 - 2¹⁴ = 23010103 is a prime.

It is a super-2 number, since 2×23026487² = 1060438207122338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23026447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046648 + ... + 1046669.

It is an arithmetic number, because the mean of its divisors is an integer number (6279954).

Almost surely, 2^23026487 is an apocalyptic number.

23026487 is a deficient number, since it is larger than the sum of its proper divisors (2093329).

23026487 is a wasteful number, since it uses less digits than its factorization.

23026487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093328.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 23026487 is about 4798.5921893822. The cubic root of 23026487 is about 284.4958235040.

The spelling of 23026487 in words is "twenty-three million, twenty-six thousand, four hundred eighty-seven".