73229823901 has 12 divisors (see below), whose sum is σ = 82440795388.
Its totient is φ = 64657764864.
The previous prime is 73229823899. The next prime is 73229823911. The reversal of 73229823901 is 10932892237.
It can be divided in two parts, 73229 and 823901, that added together give a triangular number (897130 = T1339).
It can be written as a sum of positive squares in 2 ways, for example, as 11960703225 + 61269120676 = 109365^2 + 247526^2
It is not a de Polignac number, because 73229823901 - 21 = 73229823899 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 (73229823911) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5317380 + ... + 5331133.
Almost surely, 273229823901 is an apocalyptic number.
It is an amenable number.
73229823901 is a deficient number, since it is larger than the sum of its proper divisors (9210971487).
73229823901 is a wasteful number, since it uses less digits than its factorization.
73229823901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10648572 (or 10648549 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 46.
The spelling of 73229823901 in words is "seventy-three billion, two hundred twenty-nine million, eight hundred twenty-three thousand, nine hundred one".