123400144041 has 16 divisors (see below), whose sum is σ = 167396785920. Its totient is φ = 80837809920.

The previous prime is 123400144039. The next prime is 123400144057. The reversal of 123400144041 is 140441004321.

It is not a de Polignac number, because 123400144041 - 2¹ = 123400144039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123400145041) 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 15 ways as a sum of consecutive naturals, for example, 149505 + ... + 518798.

It is an arithmetic number, because the mean of its divisors is an integer number (10462299120).

Almost surely, 2^123400144041 is an apocalyptic number.

It is an amenable number.

123400144041 is a deficient number, since it is larger than the sum of its proper divisors (43996641879).

123400144041 is a wasteful number, since it uses less digits than its factorization.

123400144041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669376.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 123400144041 its reverse (140441004321), we get a palindrome (263841148362).

The spelling of 123400144041 in words is "one hundred twenty-three billion, four hundred million, one hundred forty-four thousand, forty-one".