12306723090 has 16 divisors (see below), whose sum is σ = 29536135488. Its totient is φ = 3281792816.

The previous prime is 12306723089. The next prime is 12306723101. The reversal of 12306723090 is 9032760321.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205112022 + ... + 205112081.

It is an arithmetic number, because the mean of its divisors is an integer number (1846008468).

Almost surely, 2^12306723090 is an apocalyptic number.

12306723090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12306723090 is an abundant number, since it is smaller than the sum of its proper divisors (17229412398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12306723090 is a wasteful number, since it uses less digits than its factorization.

12306723090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410224113.

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 12306723090 in words is "twelve billion, three hundred six million, seven hundred twenty-three thousand, ninety".