23487047 has 8 divisors (see below), whose sum is σ = 25020576. Its totient is φ = 21970432.

The previous prime is 23487017. The next prime is 23487049. The reversal of 23487047 is 74078432.

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 23487047 - 2¹⁶ = 23421511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23486998 and 23487016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23487049) 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, 1298 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (3127572).

Almost surely, 2^23487047 is an apocalyptic number.

23487047 is a deficient number, since it is larger than the sum of its proper divisors (1533529).

23487047 is a wasteful number, since it uses less digits than its factorization.

23487047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 23487047 is about 4846.3436733273. The cubic root of 23487047 is about 286.3800797020.

The spelling of 23487047 in words is "twenty-three million, four hundred eighty-seven thousand, forty-seven".