22145253423 has 8 divisors (see below), whose sum is σ = 29590779648. Its totient is φ = 14731614744.

The previous prime is 22145253419. The next prime is 22145253479. The reversal of 22145253423 is 32435254122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22145253423 - 2² = 22145253419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145255423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7970265 + ... + 7973042.

It is an arithmetic number, because the mean of its divisors is an integer number (3698847456).

Almost surely, 2^22145253423 is an apocalyptic number.

22145253423 is a deficient number, since it is larger than the sum of its proper divisors (7445526225).

22145253423 is a wasteful number, since it uses less digits than its factorization.

22145253423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943773.

The product of its digits is 57600, while the sum is 33.

The spelling of 22145253423 in words is "twenty-two billion, one hundred forty-five million, two hundred fifty-three thousand, four hundred twenty-three".