22541145123 has 8 divisors (see below), whose sum is σ = 34348411648. Its totient is φ = 12880654344.

The previous prime is 22541145089. The next prime is 22541145149. The reversal of 22541145123 is 32154114522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22541145123 - 2⁸ = 22541144867 is a prime.

It is a super-2 number, since 2×22541145123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22541145023) 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, 536693911 + ... + 536693952.

It is an arithmetic number, because the mean of its divisors is an integer number (4293551456).

Almost surely, 2^22541145123 is an apocalyptic number.

22541145123 is a deficient number, since it is larger than the sum of its proper divisors (11807266525).

22541145123 is a wasteful number, since it uses less digits than its factorization.

22541145123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073387873.

The product of its digits is 9600, while the sum is 30.

Adding to 22541145123 its reverse (32154114522), we get a palindrome (54695259645).

The spelling of 22541145123 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-five thousand, one hundred twenty-three".