2023542 has 20 divisors (see below), whose sum is σ = 4534596. Its totient is φ = 674460.

The previous prime is 2023531. The next prime is 2023543. The reversal of 2023542 is 2453202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023543) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6084 + ... + 6407.

2^2023542 is an apocalyptic number.

2023542 is an abundant number, since it is smaller than the sum of its proper divisors (2511054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023542 is a wasteful number, since it uses less digits than its factorization.

2023542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505 (or 12496 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2023542 is about 1422.5125658496. The cubic root of 2023542 is about 126.4845289291.

Adding to 2023542 its reverse (2453202), we get a palindrome (4476744).

The spelling of 2023542 in words is "two million, twenty-three thousand, five hundred forty-two".