23840525019 has 32 divisors (see below), whose sum is σ = 32571129600. Its totient is φ = 15506501760.

The previous prime is 23840524997. The next prime is 23840525021. The reversal of 23840525019 is 91052504832.

It is not a de Polignac number, because 23840525019 - 2⁷ = 23840524891 is a prime.

It is a super-2 number, since 2×23840525019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23840525119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23395492 + ... + 23396510.

It is an arithmetic number, because the mean of its divisors is an integer number (1017847800).

Almost surely, 2^23840525019 is an apocalyptic number.

23840525019 is a deficient number, since it is larger than the sum of its proper divisors (8730604581).

23840525019 is a wasteful number, since it uses less digits than its factorization.

23840525019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 23840525019 in words is "twenty-three billion, eight hundred forty million, five hundred twenty-five thousand, nineteen".