23111406453 has 8 divisors (see below), whose sum is σ = 30865154688. Its totient is φ = 15382631264.

The previous prime is 23111406443. The next prime is 23111406463. The reversal of 23111406453 is 35460411132.

It is an interprime number because it is at equal distance from previous prime (23111406443) and next prime (23111406463).

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 23111406453 - 2¹² = 23111402357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23111406453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111406443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6241101 + ... + 6244802.

It is an arithmetic number, because the mean of its divisors is an integer number (3858144336).

Almost surely, 2^23111406453 is an apocalyptic number.

It is an amenable number.

23111406453 is a deficient number, since it is larger than the sum of its proper divisors (7753748235).

23111406453 is a wasteful number, since it uses less digits than its factorization.

23111406453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486523.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 23111406453 its reverse (35460411132), we get a palindrome (58571817585).

The spelling of 23111406453 in words is "twenty-three billion, one hundred eleven million, four hundred six thousand, four hundred fifty-three".