123220346 has 8 divisors (see below), whose sum is σ = 184888704. Its totient is φ = 61590780.

The previous prime is 123220337. The next prime is 123220421. The reversal of 123220346 is 643022321.

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

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, 311 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (23111088).

Almost surely, 2^123220346 is an apocalyptic number.

123220346 is a deficient number, since it is larger than the sum of its proper divisors (61668358).

123220346 is a wasteful number, since it uses less digits than its factorization.

123220346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19396.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 123220346 is about 11100.4660262531. The cubic root of 123220346 is about 497.6157770326.

Adding to 123220346 its reverse (643022321), we get a palindrome (766242667).

The spelling of 123220346 in words is "one hundred twenty-three million, two hundred twenty thousand, three hundred forty-six".