23423547 has 8 divisors (see below), whose sum is σ = 35693056. Its totient is φ = 13384872.

The previous prime is 23423537. The next prime is 23423549. The reversal of 23423547 is 74532432.

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

It is not a de Polignac number, because 23423547 - 2⁶ = 23423483 is a prime.

It is a super-2 number, since 2×23423547² = 1097325108122418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23423549) 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, 557683 + ... + 557724.

It is an arithmetic number, because the mean of its divisors is an integer number (4461632).

Almost surely, 2^23423547 is an apocalyptic number.

23423547 is a deficient number, since it is larger than the sum of its proper divisors (12269509).

23423547 is a wasteful number, since it uses less digits than its factorization.

23423547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115417.

The product of its digits is 20160, while the sum is 30.

The square root of 23423547 is about 4839.7879085762. The cubic root of 23423547 is about 286.1217593283.

Adding to 23423547 its reverse (74532432), we get a palindrome (97955979).

The spelling of 23423547 in words is "twenty-three million, four hundred twenty-three thousand, five hundred forty-seven".