2047923 has 20 divisors (see below), whose sum is σ = 3098568. Its totient is φ = 1347840.

The previous prime is 2047919. The next prime is 2047933. The reversal of 2047923 is 3297402.

It is not a de Polignac number, because 2047923 - 2² = 2047919 is a prime.

It is a super-2 number, since 2×2047923² = 8387977227858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2047933) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10515 + ... + 10707.

2^2047923 is an apocalyptic number.

2047923 is a deficient number, since it is larger than the sum of its proper divisors (1050645).

2047923 is a wasteful number, since it uses less digits than its factorization.

2047923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2047923 is about 1431.0566026541. The cubic root of 2047923 is about 126.9904926026.

It can be divided in two parts, 20479 and 23, that added together give a palindrome (20502).

The spelling of 2047923 in words is "two million, forty-seven thousand, nine hundred twenty-three".