551770123 has 2 divisors, whose sum is σ = 551770124. Its totient is φ = 551770122.

The previous prime is 551770117. The next prime is 551770129. The reversal of 551770123 is 321077155.

It is a balanced prime because it is at equal distance from previous prime (551770117) and next prime (551770129).

It is a cyclic number.

It is not a de Polignac number, because 551770123 - 2⁹ = 551769611 is a prime.

It is not a weakly prime, because it can be changed into another prime (551770129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275885061 + 275885062.

It is an arithmetic number, because the mean of its divisors is an integer number (275885062).

Almost surely, 2^551770123 is an apocalyptic number.

551770123 is a deficient number, since it is larger than the sum of its proper divisors (1).

551770123 is an equidigital number, since it uses as much as digits as its factorization.

551770123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 551770123 is about 23489.7876320753. The cubic root of 551770123 is about 820.1992986719.

The spelling of 551770123 in words is "five hundred fifty-one million, seven hundred seventy thousand, one hundred twenty-three".