23963138 has 8 divisors (see below), whose sum is σ = 36709632. Its totient is φ = 11726596.

The previous prime is 23963131. The next prime is 23963143. The reversal of 23963138 is 83136932.

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

It is a junction number, because it is equal to n+sod(n) for n = 23963098 and 23963107.

It is not an unprimeable number, because it can be changed into a prime (23963131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127370 + ... + 127557.

It is an arithmetic number, because the mean of its divisors is an integer number (4588704).

Almost surely, 2^23963138 is an apocalyptic number.

23963138 is a deficient number, since it is larger than the sum of its proper divisors (12746494).

23963138 is a wasteful number, since it uses less digits than its factorization.

23963138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254976.

The product of its digits is 23328, while the sum is 35.

The square root of 23963138 is about 4895.2158277240. The cubic root of 23963138 is about 288.3021600462.

The spelling of 23963138 in words is "twenty-three million, nine hundred sixty-three thousand, one hundred thirty-eight".