123550043433 has 32 divisors (see below), whose sum is σ = 168901392000. Its totient is φ = 80309408256.

The previous prime is 123550043411. The next prime is 123550043443. The reversal of 123550043433 is 334340055321.

It is not a de Polignac number, because 123550043433 - 2¹² = 123550039337 is a prime.

It is a super-2 number, since 2×123550043433² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123550043394 and 123550043403.

It is not an unprimeable number, because it can be changed into a prime (123550043443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26573293 + ... + 26577941.

It is an arithmetic number, because the mean of its divisors is an integer number (5278168500).

Almost surely, 2^123550043433 is an apocalyptic number.

It is an amenable number.

123550043433 is a deficient number, since it is larger than the sum of its proper divisors (45351348567).

123550043433 is a wasteful number, since it uses less digits than its factorization.

123550043433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 123550043433 its reverse (334340055321), we get a palindrome (457890098754).

The spelling of 123550043433 in words is "one hundred twenty-three billion, five hundred fifty million, forty-three thousand, four hundred thirty-three".