23140131121 has 2 divisors, whose sum is σ = 23140131122. Its totient is φ = 23140131120.

The previous prime is 23140131107. The next prime is 23140131173. The reversal of 23140131121 is 12113104132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13291553521 + 9848577600 = 115289^2 + 99240^2 .

It is a cyclic number.

It is not a de Polignac number, because 23140131121 - 2¹⁷ = 23140000049 is a prime.

It is not a weakly prime, because it can be changed into another prime (23140131181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570065560 + 11570065561.

It is an arithmetic number, because the mean of its divisors is an integer number (11570065561).

Almost surely, 2^23140131121 is an apocalyptic number.

It is an amenable number.

23140131121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140131121 is an equidigital number, since it uses as much as digits as its factorization.

23140131121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23140131121 its reverse (12113104132), we get a palindrome (35253235253).

The spelling of 23140131121 in words is "twenty-three billion, one hundred forty million, one hundred thirty-one thousand, one hundred twenty-one".