2290123690 has 32 divisors (see below), whose sum is σ = 4184893440. Its totient is φ = 902228544.

The previous prime is 2290123687. The next prime is 2290123747. The reversal of 2290123690 is 963210922.

It is a super-2 number, since 2×2290123690² = 10489333030998432200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170044 + ... + 183016.

It is an arithmetic number, because the mean of its divisors is an integer number (130777920).

Almost surely, 2^2290123690 is an apocalyptic number.

2290123690 is a deficient number, since it is larger than the sum of its proper divisors (1894769750).

2290123690 is a wasteful number, since it uses less digits than its factorization.

2290123690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13246.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2290123690 is about 47855.2368085249. The cubic root of 2290123690 is about 1318.1140211432.

The spelling of 2290123690 in words is "two billion, two hundred ninety million, one hundred twenty-three thousand, six hundred ninety".