123013197 has 12 divisors (see below), whose sum is σ = 182488540. Its totient is φ = 79792128.

The previous prime is 123013151. The next prime is 123013199. The reversal of 123013197 is 791310321.

It can be written as a sum of positive squares in 2 ways, for example, as 110439081 + 12574116 = 10509^2 + 3546^2 .

It is not a de Polignac number, because 123013197 - 2¹⁶ = 122947661 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 123013197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013199) 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, 184372 + ... + 185037.

Almost surely, 2^123013197 is an apocalyptic number.

It is an amenable number.

123013197 is a deficient number, since it is larger than the sum of its proper divisors (59475343).

123013197 is a wasteful number, since it uses less digits than its factorization.

123013197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369452 (or 369449 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 123013197 is about 11091.1314571598. The cubic root of 123013197 is about 497.3367689201.

The spelling of 123013197 in words is "one hundred twenty-three million, thirteen thousand, one hundred ninety-seven".