23021331019 has 8 divisors (see below), whose sum is σ = 24306198080. Its totient is φ = 21743785800.

The previous prime is 23021331001. The next prime is 23021331041. The reversal of 23021331019 is 91013312032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23021331019 is a prime.

It is a super-2 number, since 2×23021331019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021330984 and 23021331002.

It is not an unprimeable number, because it can be changed into a prime (23021331719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823997 + ... + 1836574.

It is an arithmetic number, because the mean of its divisors is an integer number (3038274760).

Almost surely, 2^23021331019 is an apocalyptic number.

23021331019 is a deficient number, since it is larger than the sum of its proper divisors (1284867061).

23021331019 is a wasteful number, since it uses less digits than its factorization.

23021331019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660921.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 23021331019 in words is "twenty-three billion, twenty-one million, three hundred thirty-one thousand, nineteen".