540023523 has 16 divisors (see below), whose sum is σ = 776203680. Its totient is φ = 331985664.

The previous prime is 540023507. The next prime is 540023537. The reversal of 540023523 is 325320045.

It is not a de Polignac number, because 540023523 - 2⁴ = 540023507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540023493 and 540023502.

It is not an unprimeable number, because it can be changed into a prime (540023623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35215 + ... + 48167.

It is an arithmetic number, because the mean of its divisors is an integer number (48512730).

Almost surely, 2^540023523 is an apocalyptic number.

540023523 is a deficient number, since it is larger than the sum of its proper divisors (236180157).

540023523 is a wasteful number, since it uses less digits than its factorization.

540023523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 540023523 is about 23238.4062061063. The cubic root of 540023523 is about 814.3371091115.

Adding to 540023523 its reverse (325320045), we get a palindrome (865343568).

The spelling of 540023523 in words is "five hundred forty million, twenty-three thousand, five hundred twenty-three".