124023103133213 has 4 divisors (see below), whose sum is σ = 124027303491360. Its totient is φ = 124018902775068.

The previous prime is 124023103133183. The next prime is 124023103133233. The reversal of 124023103133213 is 312331301320421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124023103133213 - 2¹⁰ = 124023103132189 is a prime.

It is a super-2 number, since 2×124023103133213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124023103133233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100134783 + ... + 2100193836.

It is an arithmetic number, because the mean of its divisors is an integer number (31006825872840).

Almost surely, 2^{124023103133213} is an apocalyptic number.

It is an amenable number.

124023103133213 is a deficient number, since it is larger than the sum of its proper divisors (4200358147).

124023103133213 is an equidigital number, since it uses as much as digits as its factorization.

124023103133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200358146.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 124023103133213 its reverse (312331301320421), we get a palindrome (436354404453634).

The spelling of 124023103133213 in words is "one hundred twenty-four trillion, twenty-three billion, one hundred three million, one hundred thirty-three thousand, two hundred thirteen".