23121252320342 has 16 divisors (see below), whose sum is σ = 37907396075664. Its totient is φ = 10489488048000.

The previous prime is 23121252320329. The next prime is 23121252320347. The reversal of 23121252320342 is 24302325212132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23121252320299 and 23121252320308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121252320347) 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, 1008593159 + ... + 1008616082.

It is an arithmetic number, because the mean of its divisors is an integer number (2369212254729).

Almost surely, 2^{23121252320342} is an apocalyptic number.

23121252320342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23121252320342 is a deficient number, since it is larger than the sum of its proper divisors (14786143755322).

23121252320342 is a wasteful number, since it uses less digits than its factorization.

23121252320342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017209775.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 23121252320342 its reverse (24302325212132), we get a palindrome (47423577532474).

The spelling of 23121252320342 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred fifty-two million, three hundred twenty thousand, three hundred forty-two".