10123231209997 has 2 divisors, whose sum is σ = 10123231209998. Its totient is φ = 10123231209996.

The previous prime is 10123231209943. The next prime is 10123231210031. The reversal of 10123231209997 is 79990213232101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6093620612676 + 4029610597321 = 2468526^2 + 2007389^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123231209997 - 2¹⁹ = 10123230685709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10123231209997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123231209937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061615604998 + 5061615604999.

It is an arithmetic number, because the mean of its divisors is an integer number (5061615604999).

Almost surely, 2^{10123231209997} is an apocalyptic number.

It is an amenable number.

10123231209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123231209997 is an equidigital number, since it uses as much as digits as its factorization.

10123231209997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 10123231209997 in words is "ten trillion, one hundred twenty-three billion, two hundred thirty-one million, two hundred nine thousand, nine hundred ninety-seven".