23000001321000 has 128 divisors (see below), whose sum is σ = 78283640972160. Its totient is φ = 5575757888000.

The previous prime is 23000001320999. The next prime is 23000001321047. The reversal of 23000001321000 is 12310000032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348451869 + ... + 348517868.

It is an arithmetic number, because the mean of its divisors is an integer number (611590945095).

Almost surely, 2^{23000001321000} is an apocalyptic number.

23000001321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000001321000 is an abundant number, since it is smaller than the sum of its proper divisors (55283639651160).

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

23000001321000 is a wasteful number, since it uses less digits than its factorization.

23000001321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696969772 (or 696969758 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 23000001321000 its reverse (12310000032), we get a palindrome (23012311321032).

The spelling of 23000001321000 in words is "twenty-three trillion, one million, three hundred twenty-one thousand".