1006423263451 has 2 divisors, whose sum is σ = 1006423263452. Its totient is φ = 1006423263450.

The previous prime is 1006423263413. The next prime is 1006423263457. The reversal of 1006423263451 is 1543623246001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1543623246001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006423263451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1006423263451.

It is not a weakly prime, because it can be changed into another prime (1006423263457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503211631725 + 503211631726.

It is an arithmetic number, because the mean of its divisors is an integer number (503211631726).

Almost surely, 2^{1006423263451} is an apocalyptic number.

1006423263451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006423263451 is an equidigital number, since it uses as much as digits as its factorization.

1006423263451 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1006423263451 in words is "one trillion, six billion, four hundred twenty-three million, two hundred sixty-three thousand, four hundred fifty-one".