23906477 has 16 divisors (see below), whose sum is σ = 28250112. Its totient is φ = 19802880.

The previous prime is 23906473. The next prime is 23906479. The reversal of 23906477 is 77460932.

It is a cyclic number.

It is not a de Polignac number, because 23906477 - 2² = 23906473 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23906477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23906473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62228 + ... + 62610.

It is an arithmetic number, because the mean of its divisors is an integer number (1765632).

Almost surely, 2^23906477 is an apocalyptic number.

It is an amenable number.

23906477 is a deficient number, since it is larger than the sum of its proper divisors (4343635).

23906477 is a wasteful number, since it uses less digits than its factorization.

23906477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 23906477 is about 4889.4250173205. The cubic root of 23906477 is about 288.0747499194.

The spelling of 23906477 in words is "twenty-three million, nine hundred six thousand, four hundred seventy-seven".