2023642 has 8 divisors (see below), whose sum is σ = 3078432. Its totient is φ = 997500.

The previous prime is 2023639. The next prime is 2023661. The reversal of 2023642 is 2463202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6984 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (384804).

2^2023642 is an apocalyptic number.

2023642 is a deficient number, since it is larger than the sum of its proper divisors (1054790).

2023642 is a wasteful number, since it uses less digits than its factorization.

2023642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2023642 is about 1422.5477144897. The cubic root of 2023642 is about 126.4866124448.

Subtracting from 2023642 its product of nonzero digits (576), we obtain a triangular number (2023066 = T₂₀₁₁).

Adding to 2023642 its reverse (2463202), we get a palindrome (4486844).

It can be divided in two parts, 202 and 3642, that added together give a square (3844 = 62²).

The spelling of 2023642 in words is "two million, twenty-three thousand, six hundred forty-two".