55230123 has 32 divisors (see below), whose sum is σ = 83865600. Its totient is φ = 32086656.

The previous prime is 55230101. The next prime is 55230163. The reversal of 55230123 is 32103255.

It is not a de Polignac number, because 55230123 - 2²⁵ = 21675691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55230123.

It is not an unprimeable number, because it can be changed into a prime (55230163) 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, 52638 + ... + 53676.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^55230123 is an apocalyptic number.

55230123 is a deficient number, since it is larger than the sum of its proper divisors (28635477).

55230123 is a wasteful number, since it uses less digits than its factorization.

55230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55230123 is about 7431.6971816672. The cubic root of 55230123 is about 380.8249000788.

Adding to 55230123 its reverse (32103255), we get a palindrome (87333378).

The spelling of 55230123 in words is "fifty-five million, two hundred thirty thousand, one hundred twenty-three".