106722187523 has 6 divisors (see below), whose sum is σ = 124146218196. Its totient is φ = 91476160692.

The previous prime is 106722187483. The next prime is 106722187549. The reversal of 106722187523 is 325781227601.

It is not a de Polignac number, because 106722187523 - 2⁶ = 106722187459 is a prime.

It is a super-2 number, since 2×106722187523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106722187573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1089001865 + ... + 1089001962.

It is an arithmetic number, because the mean of its divisors is an integer number (20691036366).

Almost surely, 2^106722187523 is an apocalyptic number.

106722187523 is a deficient number, since it is larger than the sum of its proper divisors (17424030673).

106722187523 is an equidigital number, since it uses as much as digits as its factorization.

106722187523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178003841 (or 2178003834 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 106722187523 in words is "one hundred six billion, seven hundred twenty-two million, one hundred eighty-seven thousand, five hundred twenty-three".