723312101 has 8 divisors (see below), whose sum is σ = 735880224. Its totient is φ = 710796240.

The previous prime is 723312091. The next prime is 723312127. The reversal of 723312101 is 101213327.

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 723312101 - 2¹⁰ = 723311077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723312151) 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, 15386 + ... + 41028.

It is an arithmetic number, because the mean of its divisors is an integer number (91985028).

Almost surely, 2^723312101 is an apocalyptic number.

It is an amenable number.

723312101 is a deficient number, since it is larger than the sum of its proper divisors (12568123).

723312101 is a wasteful number, since it uses less digits than its factorization.

723312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26131.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 723312101 is about 26894.4622738585. The cubic root of 723312101 is about 897.6531866611.

Adding to 723312101 its reverse (101213327), we get a palindrome (824525428).

The spelling of 723312101 in words is "seven hundred twenty-three million, three hundred twelve thousand, one hundred one".