540123532 has 12 divisors (see below), whose sum is σ = 1017925216. Its totient is φ = 249287760.

The previous prime is 540123523. The next prime is 540123533. The reversal of 540123532 is 235321045.

It is a junction number, because it is equal to n+sod(n) for n = 540123497 and 540123506.

It is not an unprimeable number, because it can be changed into a prime (540123533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5193444 + ... + 5193547.

Almost surely, 2^540123532 is an apocalyptic number.

540123532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

540123532 is a deficient number, since it is larger than the sum of its proper divisors (477801684).

540123532 is a wasteful number, since it uses less digits than its factorization.

540123532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387008 (or 10387006 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540123532 is about 23240.5579106871. The cubic root of 540123532 is about 814.3873760657.

Adding to 540123532 its reverse (235321045), we get a palindrome (775444577).

The spelling of 540123532 in words is "five hundred forty million, one hundred twenty-three thousand, five hundred thirty-two".