2023518 has 16 divisors (see below), whose sum is σ = 4625280. Its totient is φ = 578136.

The previous prime is 2023507. The next prime is 2023529. The reversal of 2023518 is 8153202.

It is an interprime number because it is at equal distance from previous prime (2023507) and next prime (2023529).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2023494 and 2023503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24048 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (289080).

2^2023518 is an apocalyptic number.

2023518 is an abundant number, since it is smaller than the sum of its proper divisors (2601762).

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

2023518 is a wasteful number, since it uses less digits than its factorization.

2023518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48191.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2023518 is about 1422.5041300467. The cubic root of 2023518 is about 126.4840288752.

The spelling of 2023518 in words is "two million, twenty-three thousand, five hundred eighteen".