22732123 has 4 divisors (see below), whose sum is σ = 23006088. Its totient is φ = 22458160.

The previous prime is 22732121. The next prime is 22732133. The reversal of 22732123 is 32123722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123722 = 2 ⋅16061861.

It is a cyclic number.

It is not a de Polignac number, because 22732123 - 2¹ = 22732121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22732094 and 22732103.

It is not an unprimeable number, because it can be changed into a prime (22732121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136858 + ... + 137023.

It is an arithmetic number, because the mean of its divisors is an integer number (5751522).

Almost surely, 2^22732123 is an apocalyptic number.

22732123 is a deficient number, since it is larger than the sum of its proper divisors (273965).

22732123 is an equidigital number, since it uses as much as digits as its factorization.

22732123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273964.

The product of its digits is 1008, while the sum is 22.

The square root of 22732123 is about 4767.8216199854. The cubic root of 22732123 is about 283.2783162688.

Adding to 22732123 its reverse (32123722), we get a palindrome (54855845).

The spelling of 22732123 in words is "twenty-two million, seven hundred thirty-two thousand, one hundred twenty-three".