19023023011 has 8 divisors (see below), whose sum is σ = 20334261024. Its totient is φ = 17752130880.

The previous prime is 19023022987. The next prime is 19023023017. The reversal of 19023023011 is 11032032091.

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 19023023011 - 2¹⁵ = 19022990243 is a prime.

It is a super-2 number, since 2×19023023011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19023023017) 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, 10085496 + ... + 10087381.

It is an arithmetic number, because the mean of its divisors is an integer number (2541782628).

Almost surely, 2^19023023011 is an apocalyptic number.

19023023011 is a deficient number, since it is larger than the sum of its proper divisors (1311238013).

19023023011 is a wasteful number, since it uses less digits than its factorization.

19023023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172941.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 19023023011 in words is "nineteen billion, twenty-three million, twenty-three thousand, eleven".