23001121551532 has 24 divisors (see below), whose sum is σ = 41684296522176. Its totient is φ = 11097767242128.

The previous prime is 23001121551509. The next prime is 23001121551571. The reversal of 23001121551532 is 23515512110032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23001121551494 and 23001121551503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805572778 + ... + 805601329.

It is an arithmetic number, because the mean of its divisors is an integer number (1736845688424).

Almost surely, 2^{23001121551532} is an apocalyptic number.

It is an amenable number.

23001121551532 is a deficient number, since it is larger than the sum of its proper divisors (18683174970644).

23001121551532 is a wasteful number, since it uses less digits than its factorization.

23001121551532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611174237 (or 1611174235 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 23001121551532 its reverse (23515512110032), we get a palindrome (46516633661564).

The spelling of 23001121551532 in words is "twenty-three trillion, one billion, one hundred twenty-one million, five hundred fifty-one thousand, five hundred thirty-two".