11807929723 has 2 divisors, whose sum is σ = 11807929724. Its totient is φ = 11807929722.

The previous prime is 11807929703. The next prime is 11807929747. The reversal of 11807929723 is 32792970811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11807929723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11807929703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903964861 + 5903964862.

It is an arithmetic number, because the mean of its divisors is an integer number (5903964862).

Almost surely, 2^11807929723 is an apocalyptic number.

11807929723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11807929723 is an equidigital number, since it uses as much as digits as its factorization.

11807929723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 11807929723 in words is "eleven billion, eight hundred seven million, nine hundred twenty-nine thousand, seven hundred twenty-three".