40973312423 has 2 divisors, whose sum is σ = 40973312424. Its totient is φ = 40973312422.

The previous prime is 40973312411. The next prime is 40973312437. The reversal of 40973312423 is 32421337904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40973312423 - 2⁴ = 40973312407 is a prime.

It is a super-2 number, since 2×40973312423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40973312453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20486656211 + 20486656212.

It is an arithmetic number, because the mean of its divisors is an integer number (20486656212).

Almost surely, 2^40973312423 is an apocalyptic number.

40973312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40973312423 is an equidigital number, since it uses as much as digits as its factorization.

40973312423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 40973312423 in words is "forty billion, nine hundred seventy-three million, three hundred twelve thousand, four hundred twenty-three".