23154122 has 16 divisors (see below), whose sum is σ = 37821600. Its totient is φ = 10589040.

The previous prime is 23154121. The next prime is 23154133. The reversal of 23154122 is 22145132.

It is a super-2 number, since 2×23154122² = 1072226731181768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23154094 and 23154103.

It is not an unprimeable number, because it can be changed into a prime (23154121) 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, 9404 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (2363850).

Almost surely, 2^23154122 is an apocalyptic number.

23154122 is a deficient number, since it is larger than the sum of its proper divisors (14667478).

23154122 is a wasteful number, since it uses less digits than its factorization.

23154122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21061.

The product of its digits is 480, while the sum is 20.

The square root of 23154122 is about 4811.8730240936. The cubic root of 23154122 is about 285.0205053472.

Adding to 23154122 its reverse (22145132), we get a palindrome (45299254).

The spelling of 23154122 in words is "twenty-three million, one hundred fifty-four thousand, one hundred twenty-two".