23223145451455 has 4 divisors (see below), whose sum is σ = 27867774541752. Its totient is φ = 18578516361160.

The previous prime is 23223145451437. The next prime is 23223145451507. The reversal of 23223145451455 is 55415454132232.

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

It is not a de Polignac number, because 23223145451455 - 2⁷ = 23223145451327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322314545141 + ... + 2322314545150.

It is an arithmetic number, because the mean of its divisors is an integer number (6966943635438).

Almost surely, 2^{23223145451455} is an apocalyptic number.

23223145451455 is a deficient number, since it is larger than the sum of its proper divisors (4644629090297).

23223145451455 is an equidigital number, since it uses as much as digits as its factorization.

23223145451455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644629090296.

The product of its digits is 2880000, while the sum is 46.

Adding to 23223145451455 its reverse (55415454132232), we get a palindrome (78638599583687).

The spelling of 23223145451455 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-five million, four hundred fifty-one thousand, four hundred fifty-five".