42423441100451 has 2 divisors, whose sum is σ = 42423441100452. Its totient is φ = 42423441100450.

The previous prime is 42423441100421. The next prime is 42423441100463. The reversal of 42423441100451 is 15400114432424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42423441100451 - 2¹⁴ = 42423441084067 is a prime.

It is not a weakly prime, because it can be changed into another prime (42423441100421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211720550225 + 21211720550226.

It is an arithmetic number, because the mean of its divisors is an integer number (21211720550226).

Almost surely, 2^{42423441100451} is an apocalyptic number.

42423441100451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42423441100451 is an equidigital number, since it uses as much as digits as its factorization.

42423441100451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 42423441100451 its reverse (15400114432424), we get a palindrome (57823555532875).

The spelling of 42423441100451 in words is "forty-two trillion, four hundred twenty-three billion, four hundred forty-one million, one hundred thousand, four hundred fifty-one".