542105223 has 16 divisors (see below), whose sum is σ = 788906496. Its totient is φ = 328386240.

The previous prime is 542105219. The next prime is 542105233. The reversal of 542105223 is 322501245.

It is not a de Polignac number, because 542105223 - 2² = 542105219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542105193 and 542105202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542105233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124011 + ... + 128307.

It is an arithmetic number, because the mean of its divisors is an integer number (49306656).

Almost surely, 2^542105223 is an apocalyptic number.

542105223 is a deficient number, since it is larger than the sum of its proper divisors (246801273).

542105223 is a wasteful number, since it uses less digits than its factorization.

542105223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 542105223 is about 23283.1532014029. The cubic root of 542105223 is about 815.3821450508.

Adding to 542105223 its reverse (322501245), we get a palindrome (864606468).

The spelling of 542105223 in words is "five hundred forty-two million, one hundred five thousand, two hundred twenty-three".