10423121263 has 2 divisors, whose sum is σ = 10423121264. Its totient is φ = 10423121262.

The previous prime is 10423121237. The next prime is 10423121279. The reversal of 10423121263 is 36212132401.

It is a strong prime.

It is an emirp because it is prime and its reverse (36212132401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10423121263 - 2¹⁷ = 10422990191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10433121263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211560631 + 5211560632.

It is an arithmetic number, because the mean of its divisors is an integer number (5211560632).

Almost surely, 2^10423121263 is an apocalyptic number.

10423121263 is a deficient number, since it is larger than the sum of its proper divisors (1).

10423121263 is an equidigital number, since it uses as much as digits as its factorization.

10423121263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10423121263 its reverse (36212132401), we get a palindrome (46635253664).

The spelling of 10423121263 in words is "ten billion, four hundred twenty-three million, one hundred twenty-one thousand, two hundred sixty-three".