22542005123 has 48 divisors (see below), whose sum is σ = 25981603200. Its totient is φ = 19526707200.

The previous prime is 22542005113. The next prime is 22542005147. The reversal of 22542005123 is 32150024522.

It is not a de Polignac number, because 22542005123 - 2¹⁰ = 22542004099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22542005092 and 22542005101.

It is not an unprimeable number, because it can be changed into a prime (22542005113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44286593 + ... + 44287101.

It is an arithmetic number, because the mean of its divisors is an integer number (541283400).

Almost surely, 2^22542005123 is an apocalyptic number.

22542005123 is a deficient number, since it is larger than the sum of its proper divisors (3439598077).

22542005123 is a wasteful number, since it uses less digits than its factorization.

22542005123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22542005123 its reverse (32150024522), we get a palindrome (54692029645).

The spelling of 22542005123 in words is "twenty-two billion, five hundred forty-two million, five thousand, one hundred twenty-three".