123709497 has 8 divisors (see below), whose sum is σ = 167034240. Its totient is φ = 81428880.

The previous prime is 123709483. The next prime is 123709501. The reversal of 123709497 is 794907321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123709497 - 2¹¹ = 123707449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123709427) 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, 260754 + ... + 261227.

It is an arithmetic number, because the mean of its divisors is an integer number (20879280).

Almost surely, 2^123709497 is an apocalyptic number.

It is an amenable number.

123709497 is a deficient number, since it is larger than the sum of its proper divisors (43324743).

123709497 is an equidigital number, since it uses as much as digits as its factorization.

123709497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522063.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 123709497 is about 11122.4771071915. The cubic root of 123709497 is about 498.2733737200.

The spelling of 123709497 in words is "one hundred twenty-three million, seven hundred nine thousand, four hundred ninety-seven".