2023742 has 16 divisors (see below), whose sum is σ = 3581952. Its totient is φ = 839160.

The previous prime is 2023741. The next prime is 2023753. The reversal of 2023742 is 2473202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (223872).

2^2023742 is an apocalyptic number.

2023742 is a deficient number, since it is larger than the sum of its proper divisors (1558210).

2023742 is a wasteful number, since it uses less digits than its factorization.

2023742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2023742 is about 1422.5828622615. The cubic root of 2023742 is about 126.4886958919.

Adding to 2023742 its reverse (2473202), we get a palindrome (4496944).

The spelling of 2023742 in words is "two million, twenty-three thousand, seven hundred forty-two".