23133021019 has 16 divisors (see below), whose sum is σ = 23760225280. Its totient is φ = 22510081440.

The previous prime is 23133021001. The next prime is 23133021053. The reversal of 23133021019 is 91012033132.

It is a cyclic number.

It is not a de Polignac number, because 23133021019 - 2¹⁵ = 23132988251 is a prime.

It is a super-2 number, since 2×23133021019² (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 = 23133020984 and 23133021002.

It is not an unprimeable number, because it can be changed into a prime (23133021619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23342614 + ... + 23343604.

It is an arithmetic number, because the mean of its divisors is an integer number (1485014080).

Almost surely, 2^23133021019 is an apocalyptic number.

23133021019 is a deficient number, since it is larger than the sum of its proper divisors (627204261).

23133021019 is an equidigital number, since it uses as much as digits as its factorization.

23133021019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

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

The spelling of 23133021019 in words is "twenty-three billion, one hundred thirty-three million, twenty-one thousand, nineteen".