23781363 has 8 divisors (see below), whose sum is σ = 32802000. Its totient is φ = 15307488.

The previous prime is 23781349. The next prime is 23781367. The reversal of 23781363 is 36318732.

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

It is not a de Polignac number, because 23781363 - 2⁶ = 23781299 is a prime.

It is a super-2 number, since 2×23781363² = 1131106452275538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23781367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136588 + ... + 136761.

It is an arithmetic number, because the mean of its divisors is an integer number (4100250).

Almost surely, 2^23781363 is an apocalyptic number.

23781363 is a deficient number, since it is larger than the sum of its proper divisors (9020637).

23781363 is a wasteful number, since it uses less digits than its factorization.

23781363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273381.

The product of its digits is 18144, while the sum is 33.

The square root of 23781363 is about 4876.6138867046. The cubic root of 23781363 is about 287.5713264744.

It can be divided in two parts, 2378 and 1363, that added together give a triangular number (3741 = T₈₆).

The spelling of 23781363 in words is "twenty-three million, seven hundred eighty-one thousand, three hundred sixty-three".