11723167601 has 8 divisors (see below), whose sum is σ = 11891139624. Its totient is φ = 11555395200.

The previous prime is 11723167571. The next prime is 11723167613. The reversal of 11723167601 is 10676132711.

It can be written as a sum of positive squares in 4 ways, for example, as 220819600 + 11502348001 = 14860^2 + 107249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11723167601 - 2¹⁴ = 11723151217 is a prime.

It is a super-2 number, since 2×11723167601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11723167691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70451 + ... + 168551.

It is an arithmetic number, because the mean of its divisors is an integer number (1486392453).

Almost surely, 2^11723167601 is an apocalyptic number.

It is an amenable number.

11723167601 is a deficient number, since it is larger than the sum of its proper divisors (167972023).

11723167601 is an equidigital number, since it uses as much as digits as its factorization.

11723167601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99811.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 11723167601 in words is "eleven billion, seven hundred twenty-three million, one hundred sixty-seven thousand, six hundred one".