20323123410 has 32 divisors (see below), whose sum is σ = 48844342080. Its totient is φ = 5411850048.

The previous prime is 20323123409. The next prime is 20323123439. The reversal of 20323123410 is 1432132302.

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, 456472 + ... + 499011.

It is an arithmetic number, because the mean of its divisors is an integer number (1526385690).

Almost surely, 2^20323123410 is an apocalyptic number.

20323123410 is an abundant number, since it is smaller than the sum of its proper divisors (28521218670).

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

20323123410 is a wasteful number, since it uses less digits than its factorization.

20323123410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956202.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20323123410 its reverse (1432132302), we get a palindrome (21755255712).

The spelling of 20323123410 in words is "twenty billion, three hundred twenty-three million, one hundred twenty-three thousand, four hundred ten".