123493379 has 2 divisors, whose sum is σ = 123493380. Its totient is φ = 123493378.

The previous prime is 123493361. The next prime is 123493399. The reversal of 123493379 is 973394321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123493379 - 2²⁴ = 106716163 is a prime.

It is a super-2 number, since 2×123493379² = 30501229313675282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123493399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61746689 + 61746690.

It is an arithmetic number, because the mean of its divisors is an integer number (61746690).

Almost surely, 2^123493379 is an apocalyptic number.

123493379 is a deficient number, since it is larger than the sum of its proper divisors (1).

123493379 is an equidigital number, since it uses as much as digits as its factorization.

123493379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 123493379 is about 11112.7574885804. The cubic root of 123493379 is about 497.9830467393.

The spelling of 123493379 in words is "one hundred twenty-three million, four hundred ninety-three thousand, three hundred seventy-nine".