2006123390 has 8 divisors (see below), whose sum is σ = 3611022120. Its totient is φ = 802449352.

The previous prime is 2006123359. The next prime is 2006123407. The reversal of 2006123390 is 933216002.

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

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, 100306160 + ... + 100306179.

It is an arithmetic number, because the mean of its divisors is an integer number (451377765).

Almost surely, 2^2006123390 is an apocalyptic number.

2006123390 is a deficient number, since it is larger than the sum of its proper divisors (1604898730).

2006123390 is a wasteful number, since it uses less digits than its factorization.

2006123390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200612346.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2006123390 is about 44789.7688094056. The cubic root of 2006123390 is about 1261.2055711743.

Adding to 2006123390 its reverse (933216002), we get a palindrome (2939339392).

The spelling of 2006123390 in words is "two billion, six million, one hundred twenty-three thousand, three hundred ninety".