7423820400041 has 4 divisors (see below), whose sum is σ = 7426665868500. Its totient is φ = 7420974931584.

The previous prime is 7423820400011. The next prime is 7423820400043. The reversal of 7423820400041 is 1400040283247.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6229217305600 + 1194603094441 = 2495840^2 + 1092979^2 .

It is a cyclic number.

It is not a de Polignac number, because 7423820400041 - 2²⁶ = 7423753291177 is a prime.

It is a super-2 number, since 2×7423820400041² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7423820399974 and 7423820400010.

It is not an unprimeable number, because it can be changed into a prime (7423820400043) 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, 1422730316 + ... + 1422735533.

It is an arithmetic number, because the mean of its divisors is an integer number (1856666467125).

Almost surely, 2^{7423820400041} is an apocalyptic number.

It is an amenable number.

7423820400041 is a deficient number, since it is larger than the sum of its proper divisors (2845468459).

7423820400041 is a wasteful number, since it uses less digits than its factorization.

7423820400041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845468458.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 7423820400041 its reverse (1400040283247), we get a palindrome (8823860683288).

The spelling of 7423820400041 in words is "seven trillion, four hundred twenty-three billion, eight hundred twenty million, four hundred thousand, forty-one".