23011044142421 has 2 divisors, whose sum is σ = 23011044142422. Its totient is φ = 23011044142420.

The previous prime is 23011044142391. The next prime is 23011044142439. The reversal of 23011044142421 is 12424144011032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22439642702500 + 571401439921 = 4737050^2 + 755911^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011044142421 - 2¹⁸ = 23011043880277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23011044142621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505522071210 + 11505522071211.

It is an arithmetic number, because the mean of its divisors is an integer number (11505522071211).

Almost surely, 2^{23011044142421} is an apocalyptic number.

It is an amenable number.

23011044142421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011044142421 is an equidigital number, since it uses as much as digits as its factorization.

23011044142421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 23011044142421 its reverse (12424144011032), we get a palindrome (35435188153453).

The spelling of 23011044142421 in words is "twenty-three trillion, eleven billion, forty-four million, one hundred forty-two thousand, four hundred twenty-one".