11723530011903 has 24 divisors (see below), whose sum is σ = 17138285564400. Its totient is φ = 7721398406400.

The previous prime is 11723530011901. The next prime is 11723530011943. The reversal of 11723530011903 is 30911003532711.

It is a happy number.

11723530011903 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 3 + 530 + 0 + 119 + 0 + 3 = 666.

It is not a de Polignac number, because 11723530011903 - 2¹ = 11723530011901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723530011901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89874373 + ... + 90004721.

It is an arithmetic number, because the mean of its divisors is an integer number (714095231850).

Almost surely, 2^{11723530011903} is an apocalyptic number.

11723530011903 is a deficient number, since it is larger than the sum of its proper divisors (5414755552497).

11723530011903 is a wasteful number, since it uses less digits than its factorization.

11723530011903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250839 (or 250836 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The spelling of 11723530011903 in words is "eleven trillion, seven hundred twenty-three billion, five hundred thirty million, eleven thousand, nine hundred three".