23453120536243 has 16 divisors (see below), whose sum is σ = 24145818218496. Its totient is φ = 22770025855200.

The previous prime is 23453120536231. The next prime is 23453120536283. The reversal of 23453120536243 is 34263502135432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23453120536243 - 2²⁵ = 23453086981811 is a prime.

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 23453120536243.

It is not an unprimeable number, because it can be changed into a prime (23453120536283) 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, 5625318 + ... + 8862868.

It is an arithmetic number, because the mean of its divisors is an integer number (1509113638656).

Almost surely, 2^{23453120536243} is an apocalyptic number.

23453120536243 is a deficient number, since it is larger than the sum of its proper divisors (692697682253).

23453120536243 is a wasteful number, since it uses less digits than its factorization.

23453120536243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239034.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 23453120536243 in words is "twenty-three trillion, four hundred fifty-three billion, one hundred twenty million, five hundred thirty-six thousand, two hundred forty-three".