23120022201999 has 4 divisors (see below), whose sum is σ = 30826696269336. Its totient is φ = 15413348134664.

The previous prime is 23120022201973. The next prime is 23120022202009. The reversal of 23120022201999 is 99910222002132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120022201999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120022201999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120022201499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853337033664 + ... + 3853337033669.

It is an arithmetic number, because the mean of its divisors is an integer number (7706674067334).

Almost surely, 2^{23120022201999} is an apocalyptic number.

23120022201999 is a deficient number, since it is larger than the sum of its proper divisors (7706674067337).

23120022201999 is an equidigital number, since it uses as much as digits as its factorization.

23120022201999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706674067336.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 23120022201999 in words is "twenty-three trillion, one hundred twenty billion, twenty-two million, two hundred one thousand, nine hundred ninety-nine".