23155136532422 has 32 divisors (see below), whose sum is σ = 35206765862400. Its totient is φ = 11420201377728.

The previous prime is 23155136532401. The next prime is 23155136532439. The reversal of 23155136532422 is 22423563155132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125746343 + ... + 125930349.

It is an arithmetic number, because the mean of its divisors is an integer number (1100211433200).

Almost surely, 2^{23155136532422} is an apocalyptic number.

23155136532422 is a deficient number, since it is larger than the sum of its proper divisors (12051629329978).

23155136532422 is a wasteful number, since it uses less digits than its factorization.

23155136532422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185780.

The product of its digits is 1296000, while the sum is 44.

Adding to 23155136532422 its reverse (22423563155132), we get a palindrome (45578699687554).

The spelling of 23155136532422 in words is "twenty-three trillion, one hundred fifty-five billion, one hundred thirty-six million, five hundred thirty-two thousand, four hundred twenty-two".