40220000023 has 6 divisors (see below), whose sum is σ = 46786530696. Its totient is φ = 34474285692.

The previous prime is 40219999993. The next prime is 40220000027. The reversal of 40220000023 is 32000002204.

It is a de Polignac number, because none of the positive numbers 2^k-40220000023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40219999958 and 40220000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220000027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410408115 + ... + 410408212.

It is an arithmetic number, because the mean of its divisors is an integer number (7797755116).

Almost surely, 2^40220000023 is an apocalyptic number.

40220000023 is a deficient number, since it is larger than the sum of its proper divisors (6566530673).

40220000023 is an equidigital number, since it uses as much as digits as its factorization.

40220000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820816341 (or 820816334 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 40220000023 its reverse (32000002204), we get a palindrome (72220002227).

The spelling of 40220000023 in words is "forty billion, two hundred twenty million, twenty-three", and thus it is an aban number.