23131134421453 has 2 divisors, whose sum is σ = 23131134421454. Its totient is φ = 23131134421452.

The previous prime is 23131134421427. The next prime is 23131134421459. The reversal of 23131134421453 is 35412443113132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22613429708164 + 517704713289 = 4755358^2 + 719517^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131134421453 - 2²¹ = 23131132324301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131134421459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565567210726 + 11565567210727.

It is an arithmetic number, because the mean of its divisors is an integer number (11565567210727).

Almost surely, 2^{23131134421453} is an apocalyptic number.

It is an amenable number.

23131134421453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131134421453 is an equidigital number, since it uses as much as digits as its factorization.

23131134421453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

Adding to 23131134421453 its reverse (35412443113132), we get a palindrome (58543577534585).

The spelling of 23131134421453 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred thirty-four million, four hundred twenty-one thousand, four hundred fifty-three".