2381023 has 8 divisors (see below), whose sum is σ = 2530800. Its totient is φ = 2233728.

The previous prime is 2381011. The next prime is 2381033. The reversal of 2381023 is 3201832.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2381023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381033) 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, 1593 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (316350).

2^2381023 is an apocalyptic number.

2381023 is a deficient number, since it is larger than the sum of its proper divisors (149777).

2381023 is a wasteful number, since it uses less digits than its factorization.

2381023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2381023 is about 1543.0563826380. The cubic root of 2381023 is about 133.5327716728.

Adding to 2381023 its reverse (3201832), we get a palindrome (5582855).

The spelling of 2381023 in words is "two million, three hundred eighty-one thousand, twenty-three".