923404222031 has 2 divisors, whose sum is σ = 923404222032. Its totient is φ = 923404222030.

The previous prime is 923404221967. The next prime is 923404222189. The reversal of 923404222031 is 130222404329.

It is a weak prime.

It is an emirp because it is prime and its reverse (130222404329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923404222031 - 2⁶ = 923404221967 is a prime.

It is a super-2 number, since 2×923404222031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923404228031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461702111015 + 461702111016.

It is an arithmetic number, because the mean of its divisors is an integer number (461702111016).

Almost surely, 2^923404222031 is an apocalyptic number.

923404222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

923404222031 is an equidigital number, since it uses as much as digits as its factorization.

923404222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 923404222031 in words is "nine hundred twenty-three billion, four hundred four million, two hundred twenty-two thousand, thirty-one".