40625343423 has 64 divisors (see below), whose sum is σ = 70944215040. Its totient is φ = 22495104000.

The previous prime is 40625343413. The next prime is 40625343431. The reversal of 40625343423 is 32434352604.

40625343423 is a `hidden beast` number, since 4 + 0 + 625 + 3 + 4 + 3 + 4 + 23 = 666.

It is not a de Polignac number, because 40625343423 - 2²⁸ = 40356907967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40625343413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 874543 + ... + 919823.

It is an arithmetic number, because the mean of its divisors is an integer number (1108503360).

Almost surely, 2^40625343423 is an apocalyptic number.

40625343423 is a deficient number, since it is larger than the sum of its proper divisors (30318871617).

40625343423 is a wasteful number, since it uses less digits than its factorization.

40625343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45445 (or 45439 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

The spelling of 40625343423 in words is "forty billion, six hundred twenty-five million, three hundred forty-three thousand, four hundred twenty-three".