22923278643 has 8 divisors (see below), whose sum is σ = 30850020288. Its totient is φ = 15139361384.

The previous prime is 22923278617. The next prime is 22923278657. The reversal of 22923278643 is 34687232922.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22923278643 - 2¹⁷ = 22923147571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22923278592 and 22923278601.

It is not an unprimeable number, because it can be changed into a prime (22923278683) 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, 35705721 + ... + 35706362.

It is an arithmetic number, because the mean of its divisors is an integer number (3856252536).

Almost surely, 2^22923278643 is an apocalyptic number.

22923278643 is a deficient number, since it is larger than the sum of its proper divisors (7926741645).

22923278643 is a wasteful number, since it uses less digits than its factorization.

22923278643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71412193.

The product of its digits is 1741824, while the sum is 48.

The spelling of 22923278643 in words is "twenty-two billion, nine hundred twenty-three million, two hundred seventy-eight thousand, six hundred forty-three".