11372820923 has 2 divisors, whose sum is σ = 11372820924. Its totient is φ = 11372820922.

The previous prime is 11372820881. The next prime is 11372820941. The reversal of 11372820923 is 32902827311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11372820923 - 2³⁰ = 10299079099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11372820023) 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 as a sum of consecutive naturals, namely, 5686410461 + 5686410462.

It is an arithmetic number, because the mean of its divisors is an integer number (5686410462).

Almost surely, 2^11372820923 is an apocalyptic number.

11372820923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11372820923 is an equidigital number, since it uses as much as digits as its factorization.

11372820923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 11372820923 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, nine hundred twenty-three".