23219994354589 has 4 divisors (see below), whose sum is σ = 24442099320640. Its totient is φ = 21997889388540.

The previous prime is 23219994354563. The next prime is 23219994354607. The reversal of 23219994354589 is 98545349991232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23219994354589 - 2⁷ = 23219994354461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23219994352589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611052482997 + ... + 611052483034.

It is an arithmetic number, because the mean of its divisors is an integer number (6110524830160).

Almost surely, 2^{23219994354589} is an apocalyptic number.

It is an amenable number.

23219994354589 is a deficient number, since it is larger than the sum of its proper divisors (1222104966051).

23219994354589 is a wasteful number, since it uses less digits than its factorization.

23219994354589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222104966050.

The product of its digits is 755827200, while the sum is 73.

The spelling of 23219994354589 in words is "twenty-three trillion, two hundred nineteen billion, nine hundred ninety-four million, three hundred fifty-four thousand, five hundred eighty-nine".