124440323011 has 4 divisors (see below), whose sum is σ = 125603316792. Its totient is φ = 123277329232.

The previous prime is 124440322991. The next prime is 124440323093. The reversal of 124440323011 is 110323044421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110323044421 = 82561 ⋅1336261.

It is a cyclic number.

It is not a de Polignac number, because 124440323011 - 2⁹ = 124440322499 is a prime.

It is a super-2 number, since 2×124440323011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124440329011) 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, 581496730 + ... + 581496943.

It is an arithmetic number, because the mean of its divisors is an integer number (31400829198).

Almost surely, 2^124440323011 is an apocalyptic number.

124440323011 is a deficient number, since it is larger than the sum of its proper divisors (1162993781).

124440323011 is a wasteful number, since it uses less digits than its factorization.

124440323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162993780.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 124440323011 its reverse (110323044421), we get a palindrome (234763367432).

The spelling of 124440323011 in words is "one hundred twenty-four billion, four hundred forty million, three hundred twenty-three thousand, eleven".