123039047 has 8 divisors (see below), whose sum is σ = 131216400. Its totient is φ = 114966144.

The previous prime is 123039019. The next prime is 123039053. The reversal of 123039047 is 740930321.

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

It is a cyclic number.

It is not a de Polignac number, because 123039047 - 2⁸ = 123038791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123039347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23672 + ... + 28397.

It is an arithmetic number, because the mean of its divisors is an integer number (16402050).

Almost surely, 2^123039047 is an apocalyptic number.

123039047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

123039047 is a deficient number, since it is larger than the sum of its proper divisors (8177353).

123039047 is a wasteful number, since it uses less digits than its factorization.

123039047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52225.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 123039047 is about 11092.2967414328. The cubic root of 123039047 is about 497.3716032722.

Adding to 123039047 its reverse (740930321), we get a palindrome (863969368).

The spelling of 123039047 in words is "one hundred twenty-three million, thirty-nine thousand, forty-seven".