23253442019 has 4 divisors (see below), whose sum is σ = 23479203696. Its totient is φ = 23027680344.

The previous prime is 23253442013. The next prime is 23253442031. The reversal of 23253442019 is 91024435232.

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

It is a cyclic number.

It is not a de Polignac number, because 23253442019 - 2¹⁶ = 23253376483 is a prime.

It is a super-2 number, since 2×23253442019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23253442019.

It is not an unprimeable number, because it can be changed into a prime (23253442013) 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, 112880684 + ... + 112880889.

It is an arithmetic number, because the mean of its divisors is an integer number (5869800924).

Almost surely, 2^23253442019 is an apocalyptic number.

23253442019 is a deficient number, since it is larger than the sum of its proper divisors (225761677).

23253442019 is a wasteful number, since it uses less digits than its factorization.

23253442019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225761676.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 23253442019 in words is "twenty-three billion, two hundred fifty-three million, four hundred forty-two thousand, nineteen".