7381123 has 2 divisors, whose sum is σ = 7381124. Its totient is φ = 7381122.

The previous prime is 7381117. The next prime is 7381141. The reversal of 7381123 is 3211837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7381123 - 2¹⁷ = 7250051 is a prime.

It is a super-2 number, since 2×7381123² = 108961953482258, which contains 22 as substring.

7381123 is a lucky number.

It is equal to p₅₀₀₇₉₄ and since 7381123 and 500794 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7381163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3690561 + 3690562.

It is an arithmetic number, because the mean of its divisors is an integer number (3690562).

Almost surely, 2^7381123 is an apocalyptic number.

7381123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7381123 is an equidigital number, since it uses as much as digits as its factorization.

7381123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 7381123 is about 2716.8222245852. The cubic root of 7381123 is about 194.7036744058.

The spelling of 7381123 in words is "seven million, three hundred eighty-one thousand, one hundred twenty-three".