123377942 has 8 divisors (see below), whose sum is σ = 195953256. Its totient is φ = 58060192.

The previous prime is 123377939. The next prime is 123377971. The reversal of 123377942 is 249773321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123377896 and 123377905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814348 + ... + 1814415.

It is an arithmetic number, because the mean of its divisors is an integer number (24494157).

Almost surely, 2^123377942 is an apocalyptic number.

123377942 is a deficient number, since it is larger than the sum of its proper divisors (72575314).

123377942 is a wasteful number, since it uses less digits than its factorization.

123377942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628782.

The product of its digits is 63504, while the sum is 38.

The square root of 123377942 is about 11107.5623788480. The cubic root of 123377942 is about 497.8278330467.

The spelling of 123377942 in words is "one hundred twenty-three million, three hundred seventy-seven thousand, nine hundred forty-two".