123040326 has 32 divisors (see below), whose sum is σ = 249228000. Its totient is φ = 40492800.

The previous prime is 123040319. The next prime is 123040327. The reversal of 123040326 is 623040321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123040327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204426 + ... + 205026.

It is an arithmetic number, because the mean of its divisors is an integer number (7788375).

Almost surely, 2^123040326 is an apocalyptic number.

123040326 is an abundant number, since it is smaller than the sum of its proper divisors (126187674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123040326 is a wasteful number, since it uses less digits than its factorization.

123040326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 123040326 is about 11092.3543939057. The cubic root of 123040326 is about 497.3733266711.

Adding to 123040326 its reverse (623040321), we get a palindrome (746080647).

The spelling of 123040326 in words is "one hundred twenty-three million, forty thousand, three hundred twenty-six".