123947258 has 4 divisors (see below), whose sum is σ = 185920890. Its totient is φ = 61973628.

The previous prime is 123947249. The next prime is 123947267. The reversal of 123947258 is 852749321.

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

It is an interprime number because it is at equal distance from previous prime (123947249) and next prime (123947267).

It can be written as a sum of positive squares in only one way, i.e., 91718929 + 32228329 = 9577^2 + 5677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30986813 + ... + 30986816.

Almost surely, 2^123947258 is an apocalyptic number.

123947258 is a deficient number, since it is larger than the sum of its proper divisors (61973632).

123947258 is an equidigital number, since it uses as much as digits as its factorization.

123947258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61973631.

The product of its digits is 120960, while the sum is 41.

The square root of 123947258 is about 11133.1602880763. The cubic root of 123947258 is about 498.5923849585.

The spelling of 123947258 in words is "one hundred twenty-three million, nine hundred forty-seven thousand, two hundred fifty-eight".