2123455100413 has 2 divisors, whose sum is σ = 2123455100414. Its totient is φ = 2123455100412.

The previous prime is 2123455100381. The next prime is 2123455100479. The reversal of 2123455100413 is 3140015543212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1877332944964 + 246122155449 = 1370158^2 + 496107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123455100413 - 2⁵ = 2123455100381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123455100483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061727550206 + 1061727550207.

It is an arithmetic number, because the mean of its divisors is an integer number (1061727550207).

Almost surely, 2^{2123455100413} is an apocalyptic number.

It is an amenable number.

2123455100413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123455100413 is an equidigital number, since it uses as much as digits as its factorization.

2123455100413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 2123455100413 in words is "two trillion, one hundred twenty-three billion, four hundred fifty-five million, one hundred thousand, four hundred thirteen".