123000232454542 has 16 divisors (see below), whose sum is σ = 184804215603840. Its totient is φ = 61398860134392.

The previous prime is 123000232454537. The next prime is 123000232454573. The reversal of 123000232454542 is 245454232000321.

It is a happy number.

It is a super-2 number, since 2×123000232454542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732888 + ... + 15701515.

It is an arithmetic number, because the mean of its divisors is an integer number (11550263475240).

Almost surely, 2^{123000232454542} is an apocalyptic number.

123000232454542 is a deficient number, since it is larger than the sum of its proper divisors (61803983149298).

123000232454542 is a wasteful number, since it uses less digits than its factorization.

123000232454542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16440567.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 123000232454542 its reverse (245454232000321), we get a palindrome (368454464454863).

The spelling of 123000232454542 in words is "one hundred twenty-three trillion, two hundred thirty-two million, four hundred fifty-four thousand, five hundred forty-two".