123024542543 has 16 divisors (see below), whose sum is σ = 140916360000. Its totient is φ = 105212169216.

The previous prime is 123024542533. The next prime is 123024542567. The reversal of 123024542543 is 345245420321.

It is a happy number.

It is not a de Polignac number, because 123024542543 - 2⁴ = 123024542527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123024542503) 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, 7563083 + ... + 7579331.

It is an arithmetic number, because the mean of its divisors is an integer number (8807272500).

Almost surely, 2^123024542543 is an apocalyptic number.

123024542543 is a deficient number, since it is larger than the sum of its proper divisors (17891817457).

123024542543 is a wasteful number, since it uses less digits than its factorization.

123024542543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18626.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 123024542543 its reverse (345245420321), we get a palindrome (468269962864).

The spelling of 123024542543 in words is "one hundred twenty-three billion, twenty-four million, five hundred forty-two thousand, five hundred forty-three".