40001120023 has 8 divisors (see below), whose sum is σ = 40336238592. Its totient is φ = 39666316536.

The previous prime is 40001120021. The next prime is 40001120051. The reversal of 40001120023 is 32002110004.

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 40001120023 - 2¹ = 40001120021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40001119985 and 40001120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001120021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179736 + ... + 335122.

It is an arithmetic number, because the mean of its divisors is an integer number (5042029824).

Almost surely, 2^40001120023 is an apocalyptic number.

40001120023 is a deficient number, since it is larger than the sum of its proper divisors (335118569).

40001120023 is a wasteful number, since it uses less digits than its factorization.

40001120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157541.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 40001120023 its reverse (32002110004), we get a palindrome (72003230027).

The spelling of 40001120023 in words is "forty billion, one million, one hundred twenty thousand, twenty-three".