1542230113123 has 16 divisors (see below), whose sum is σ = 1866287070720. Its totient is φ = 1244112667776.

The previous prime is 1542230113121. The next prime is 1542230113147. The reversal of 1542230113123 is 3213110322451.

It is a cyclic number.

It is not a de Polignac number, because 1542230113123 - 2¹ = 1542230113121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1542230113091 and 1542230113100.

It is not an unprimeable number, because it can be changed into a prime (1542230113121) 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, 3920040 + ... + 4295482.

It is an arithmetic number, because the mean of its divisors is an integer number (116642941920).

Almost surely, 2^{1542230113123} is an apocalyptic number.

1542230113123 is a deficient number, since it is larger than the sum of its proper divisors (324056957597).

1542230113123 is a wasteful number, since it uses less digits than its factorization.

1542230113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409986.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1542230113123 its reverse (3213110322451), we get a palindrome (4755340435574).

The spelling of 1542230113123 in words is "one trillion, five hundred forty-two billion, two hundred thirty million, one hundred thirteen thousand, one hundred twenty-three".