22515010005023 has 4 divisors (see below), whose sum is σ = 22515243555528. Its totient is φ = 22514776454520.

The previous prime is 22515010004957. The next prime is 22515010005127. The reversal of 22515010005023 is 32050001051522.

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 22515010005023 - 2¹⁰ = 22515010003999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22515010004983 and 22515010005001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515010001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116630588 + ... + 116823473.

It is an arithmetic number, because the mean of its divisors is an integer number (5628810888882).

Almost surely, 2^{22515010005023} is an apocalyptic number.

22515010005023 is a deficient number, since it is larger than the sum of its proper divisors (233550505).

22515010005023 is an equidigital number, since it uses as much as digits as its factorization.

22515010005023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233550504.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 22515010005023 its reverse (32050001051522), we get a palindrome (54565011056545).

The spelling of 22515010005023 in words is "twenty-two trillion, five hundred fifteen billion, ten million, five thousand, twenty-three".