23122153142 has 16 divisors (see below), whose sum is σ = 38086827264. Its totient is φ = 10440465000.

The previous prime is 23122153141. The next prime is 23122153147. The reversal of 23122153142 is 24135122132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122153141) 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, 3476834 + ... + 3483477.

It is an arithmetic number, because the mean of its divisors is an integer number (2380426704).

Almost surely, 2^23122153142 is an apocalyptic number.

23122153142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23122153142 is a deficient number, since it is larger than the sum of its proper divisors (14964674122).

23122153142 is a wasteful number, since it uses less digits than its factorization.

23122153142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960475.

The product of its digits is 2880, while the sum is 26.

Adding to 23122153142 its reverse (24135122132), we get a palindrome (47257275274).

The spelling of 23122153142 in words is "twenty-three billion, one hundred twenty-two million, one hundred fifty-three thousand, one hundred forty-two".