23240023619 has 4 divisors (see below), whose sum is σ = 23245123560. Its totient is φ = 23234923680.

The previous prime is 23240023613. The next prime is 23240023657. The reversal of 23240023619 is 91632004232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23240023619 is a prime.

It is a super-2 number, since 2×23240023619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23240023613) 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, 2543129 + ... + 2552250.

It is an arithmetic number, because the mean of its divisors is an integer number (5811280890).

Almost surely, 2^23240023619 is an apocalyptic number.

23240023619 is a deficient number, since it is larger than the sum of its proper divisors (5099941).

23240023619 is an equidigital number, since it uses as much as digits as its factorization.

23240023619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099940.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 23240023619 in words is "twenty-three billion, two hundred forty million, twenty-three thousand, six hundred nineteen".