40021303342023 has 16 divisors (see below), whose sum is σ = 59292471241440. Its totient is φ = 26680125730752.

The previous prime is 40021303341979. The next prime is 40021303342117. The reversal of 40021303342023 is 32024330312004.

40021303342023 is a `hidden beast` number, since 4 + 0 + 0 + 213 + 0 + 3 + 3 + 420 + 23 = 666.

It is not a de Polignac number, because 40021303342023 - 2⁹ = 40021303341511 is a prime.

It is a super-3 number, since 3×40021303342023³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021303342123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19655286 + ... + 21595667.

It is an arithmetic number, because the mean of its divisors is an integer number (3705779452590).

Almost surely, 2^{40021303342023} is an apocalyptic number.

40021303342023 is a deficient number, since it is larger than the sum of its proper divisors (19271167899417).

40021303342023 is a wasteful number, since it uses less digits than its factorization.

40021303342023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41286895 (or 41286889 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40021303342023 its reverse (32024330312004), we get a palindrome (72045633654027).

The spelling of 40021303342023 in words is "forty trillion, twenty-one billion, three hundred three million, three hundred forty-two thousand, twenty-three".