23121231401411 has 16 divisors (see below), whose sum is σ = 27608706450528. Its totient is φ = 19084359283200.

The previous prime is 23121231401381. The next prime is 23121231401447. The reversal of 23121231401411 is 11410413212132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23121231401411 - 2¹⁸ = 23121231139267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121231461411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325294006 + ... + 1325311451.

It is an arithmetic number, because the mean of its divisors is an integer number (1725544153158).

Almost surely, 2^{23121231401411} is an apocalyptic number.

23121231401411 is a deficient number, since it is larger than the sum of its proper divisors (4487475049117).

23121231401411 is a wasteful number, since it uses less digits than its factorization.

23121231401411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650605542.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 23121231401411 its reverse (11410413212132), we get a palindrome (34531644613543).

The spelling of 23121231401411 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred thirty-one million, four hundred one thousand, four hundred eleven".