124134222043123 has 4 divisors (see below), whose sum is σ = 124877540738160. Its totient is φ = 123390903348088.

The previous prime is 124134222043087. The next prime is 124134222043129. The reversal of 124134222043123 is 321340222431421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124134222043123 is a prime.

It is a super-2 number, since 2×124134222043123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124134222043129) 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, 371659347268 + ... + 371659347601.

It is an arithmetic number, because the mean of its divisors is an integer number (31219385184540).

Almost surely, 2^{124134222043123} is an apocalyptic number.

124134222043123 is a deficient number, since it is larger than the sum of its proper divisors (743318695037).

124134222043123 is an equidigital number, since it uses as much as digits as its factorization.

124134222043123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743318695036.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 124134222043123 its reverse (321340222431421), we get a palindrome (445474444474544).

The spelling of 124134222043123 in words is "one hundred twenty-four trillion, one hundred thirty-four billion, two hundred twenty-two million, forty-three thousand, one hundred twenty-three".