40232123429 has 8 divisors (see below), whose sum is σ = 41622993120. Its totient is φ = 38841490800.

The previous prime is 40232123387. The next prime is 40232123447. The reversal of 40232123429 is 92432123204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40232123429 - 2³² = 35937156133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40232123395 and 40232123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232123929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329294 + ... + 434624.

It is an arithmetic number, because the mean of its divisors is an integer number (5202874140).

Almost surely, 2^40232123429 is an apocalyptic number.

It is an amenable number.

40232123429 is a deficient number, since it is larger than the sum of its proper divisors (1390869691).

40232123429 is a wasteful number, since it uses less digits than its factorization.

40232123429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118531.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 40232123429 in words is "forty billion, two hundred thirty-two million, one hundred twenty-three thousand, four hundred twenty-nine".