23769138 has 32 divisors (see below), whose sum is σ = 48871872. Its totient is φ = 7704000.

The previous prime is 23769131. The next prime is 23769191. The reversal of 23769138 is 83196732.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23769096 and 23769105.

It is not an unprimeable number, because it can be changed into a prime (23769131) 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 15 ways as a sum of consecutive naturals, for example, 36645 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (1527246).

Almost surely, 2^23769138 is an apocalyptic number.

23769138 is an abundant number, since it is smaller than the sum of its proper divisors (25102734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23769138 is a wasteful number, since it uses less digits than its factorization.

23769138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 54432, while the sum is 39.

The square root of 23769138 is about 4875.3602943783. The cubic root of 23769138 is about 287.5220419143.

The spelling of 23769138 in words is "twenty-three million, seven hundred sixty-nine thousand, one hundred thirty-eight".