23977953 has 12 divisors (see below), whose sum is σ = 35053200. Its totient is φ = 15792216.

The previous prime is 23977909. The next prime is 23977957. The reversal of 23977953 is 35977932.

It is not a de Polignac number, because 23977953 - 2¹³ = 23969761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23977899 and 23977908.

It is not an unprimeable number, because it can be changed into a prime (23977957) 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 11 ways as a sum of consecutive naturals, for example, 15303 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (2921100).

Almost surely, 2^23977953 is an apocalyptic number.

It is an amenable number.

23977953 is a deficient number, since it is larger than the sum of its proper divisors (11075247).

23977953 is a wasteful number, since it uses less digits than its factorization.

23977953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32188 (or 32185 counting only the distinct ones).

The product of its digits is 357210, while the sum is 45.

The square root of 23977953 is about 4896.7288060500. The cubic root of 23977953 is about 288.3615612341.

The spelling of 23977953 in words is "twenty-three million, nine hundred seventy-seven thousand, nine hundred fifty-three".