42026523 has 32 divisors (see below), whose sum is σ = 71503872. Its totient is φ = 21319200.

The previous prime is 42026521. The next prime is 42026527. The reversal of 42026523 is 32562024.

It is not a de Polignac number, because 42026523 - 2¹ = 42026521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42026493 and 42026502.

It is not an unprimeable number, because it can be changed into a prime (42026521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7818 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (2234496).

Almost surely, 2^42026523 is an apocalyptic number.

42026523 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42026523 is a deficient number, since it is larger than the sum of its proper divisors (29477349).

42026523 is a wasteful number, since it uses less digits than its factorization.

42026523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42026523 is about 6482.7866693267. The cubic root of 42026523 is about 347.6758194526.

Adding to 42026523 its reverse (32562024), we get a palindrome (74588547).

The spelling of 42026523 in words is "forty-two million, twenty-six thousand, five hundred twenty-three".