23969427 has 16 divisors (see below), whose sum is σ = 33665280. Its totient is φ = 15139872.

The previous prime is 23969419. The next prime is 23969441. The reversal of 23969427 is 72496932.

It is a happy number.

It is not a de Polignac number, because 23969427 - 2³ = 23969419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23969467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5928 + ... + 9114.

It is an arithmetic number, because the mean of its divisors is an integer number (2104080).

Almost surely, 2^23969427 is an apocalyptic number.

23969427 is a deficient number, since it is larger than the sum of its proper divisors (9695853).

23969427 is a wasteful number, since it uses less digits than its factorization.

23969427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322.

The product of its digits is 163296, while the sum is 42.

The square root of 23969427 is about 4895.8581474548. The cubic root of 23969427 is about 288.3273789705.

The spelling of 23969427 in words is "twenty-three million, nine hundred sixty-nine thousand, four hundred twenty-seven".