40423001020023 has 4 divisors (see below), whose sum is σ = 53897334693368. Its totient is φ = 26948667346680.

The previous prime is 40423001020019. The next prime is 40423001020037. The reversal of 40423001020023 is 32002010032404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40423001020023 - 2² = 40423001020019 is a prime.

It is a super-3 number, since 3×40423001020023³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423001020093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6737166836668 + ... + 6737166836673.

It is an arithmetic number, because the mean of its divisors is an integer number (13474333673342).

Almost surely, 2^{40423001020023} is an apocalyptic number.

40423001020023 is a deficient number, since it is larger than the sum of its proper divisors (13474333673345).

40423001020023 is a wasteful number, since it uses less digits than its factorization.

40423001020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474333673344.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40423001020023 its reverse (32002010032404), we get a palindrome (72425011052427).

The spelling of 40423001020023 in words is "forty trillion, four hundred twenty-three billion, one million, twenty thousand, twenty-three".