124423101324421 has 4 divisors (see below), whose sum is σ = 124423635294252. Its totient is φ = 124422567354592.

The previous prime is 124423101324377. The next prime is 124423101324479.

124423101324421 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21744399021921 + 102678702302500 = 4663089^2 + 10133050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124423101324421 is a prime.

It is a super-2 number, since 2×124423101324421² (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 (124423101324491) 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, 266635240 + ... + 267101473.

It is an arithmetic number, because the mean of its divisors is an integer number (31105908823563).

Almost surely, 2^{124423101324421} is an apocalyptic number.

It is an amenable number.

124423101324421 is a deficient number, since it is larger than the sum of its proper divisors (533969831).

124423101324421 is an equidigital number, since it uses as much as digits as its factorization.

124423101324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533969830.

The product of its (nonzero) digits is 36864, while the sum is 34.

It can be divided in two parts, 12442310 and 1324421, that added together give a palindrome (13766731).

The spelling of 124423101324421 in words is "one hundred twenty-four trillion, four hundred twenty-three billion, one hundred one million, three hundred twenty-four thousand, four hundred twenty-one".