10055440123 has 4 divisors (see below), whose sum is σ = 10176590088. Its totient is φ = 9934290160.

The previous prime is 10055440099. The next prime is 10055440139. The reversal of 10055440123 is 32104455001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10055440123 - 2¹³ = 10055431931 is a prime.

It is a super-2 number, since 2×10055440123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10055440183) 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, 60574858 + ... + 60575023.

It is an arithmetic number, because the mean of its divisors is an integer number (2544147522).

Almost surely, 2^10055440123 is an apocalyptic number.

10055440123 is a deficient number, since it is larger than the sum of its proper divisors (121149965).

10055440123 is an equidigital number, since it uses as much as digits as its factorization.

10055440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121149964.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 10055440123 its reverse (32104455001), we get a palindrome (42159895124).

The spelling of 10055440123 in words is "ten billion, fifty-five million, four hundred forty thousand, one hundred twenty-three".