123243294 has 32 divisors (see below), whose sum is σ = 253725696. Its totient is φ = 39884480.

The previous prime is 123243293. The next prime is 123243313. The reversal of 123243294 is 492342321.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123243293) 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, 54739 + ... + 56945.

It is an arithmetic number, because the mean of its divisors is an integer number (7928928).

Almost surely, 2^123243294 is an apocalyptic number.

123243294 is an abundant number, since it is smaller than the sum of its proper divisors (130482402).

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

123243294 is a wasteful number, since it uses less digits than its factorization.

123243294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480.

The product of its digits is 10368, while the sum is 30.

The square root of 123243294 is about 11101.4996284286. The cubic root of 123243294 is about 497.6466663524.

The spelling of 123243294 in words is "one hundred twenty-three million, two hundred forty-three thousand, two hundred ninety-four".