67723444101 has 4 divisors (see below), whose sum is σ = 90297925472. Its totient is φ = 45148962732.

The previous prime is 67723444057. The next prime is 67723444123. The reversal of 67723444101 is 10144432776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67723444101 - 2¹⁰ = 67723443077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67723444101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67723444141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11287240681 + ... + 11287240686.

It is an arithmetic number, because the mean of its divisors is an integer number (22574481368).

Almost surely, 2^67723444101 is an apocalyptic number.

It is an amenable number.

67723444101 is a deficient number, since it is larger than the sum of its proper divisors (22574481371).

67723444101 is a wasteful number, since it uses less digits than its factorization.

67723444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574481370.

The product of its (nonzero) digits is 112896, while the sum is 39.

Adding to 67723444101 its reverse (10144432776), we get a palindrome (77867876877).

The spelling of 67723444101 in words is "sixty-seven billion, seven hundred twenty-three million, four hundred forty-four thousand, one hundred one".