40303457423 has 2 divisors, whose sum is σ = 40303457424. Its totient is φ = 40303457422.

The previous prime is 40303457371. The next prime is 40303457471. The reversal of 40303457423 is 32475430304.

40303457423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40303457423 - 2¹⁴ = 40303441039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40303457473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151728711 + 20151728712.

It is an arithmetic number, because the mean of its divisors is an integer number (20151728712).

Almost surely, 2^40303457423 is an apocalyptic number.

40303457423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40303457423 is an equidigital number, since it uses as much as digits as its factorization.

40303457423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 35.

Adding to 40303457423 its reverse (32475430304), we get a palindrome (72778887727).

The spelling of 40303457423 in words is "forty billion, three hundred three million, four hundred fifty-seven thousand, four hundred twenty-three".