7423820400031 has 16 divisors (see below), whose sum is σ = 8625257948160. Its totient is φ = 6257649437280.

The previous prime is 7423820400011. The next prime is 7423820400043. The reversal of 7423820400031 is 1300040283247.

7423820400031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7423820400031 - 2⁹ = 7423820399519 is a prime.

It is a super-2 number, since 2×7423820400031² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7423820400031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7423820400011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228090 + ... + 3860008.

It is an arithmetic number, because the mean of its divisors is an integer number (539078621760).

Almost surely, 2^{7423820400031} is an apocalyptic number.

7423820400031 is a deficient number, since it is larger than the sum of its proper divisors (1201437548129).

7423820400031 is a wasteful number, since it uses less digits than its factorization.

7423820400031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636774.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 7423820400031 its reverse (1300040283247), we get a palindrome (8723860683278).

The spelling of 7423820400031 in words is "seven trillion, four hundred twenty-three billion, eight hundred twenty million, four hundred thousand, thirty-one".