23111142401461 has 2 divisors, whose sum is σ = 23111142401462. Its totient is φ = 23111142401460.

The previous prime is 23111142401411. The next prime is 23111142401489. The reversal of 23111142401461 is 16410424111132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22788870465361 + 322271936100 = 4773769^2 + 567690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23111142401461 - 2²³ = 23111134012853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23111142401411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555571200730 + 11555571200731.

It is an arithmetic number, because the mean of its divisors is an integer number (11555571200731).

Almost surely, 2^{23111142401461} is an apocalyptic number.

It is an amenable number.

23111142401461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111142401461 is an equidigital number, since it uses as much as digits as its factorization.

23111142401461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 23111142401461 its reverse (16410424111132), we get a palindrome (39521566512593).

The spelling of 23111142401461 in words is "twenty-three trillion, one hundred eleven billion, one hundred forty-two million, four hundred one thousand, four hundred sixty-one".