123542230 has 48 divisors (see below), whose sum is σ = 273917376. Its totient is φ = 39863040.

The previous prime is 123542203. The next prime is 123542231. The reversal of 123542230 is 32245321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123542231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915 + ... + 15745.

It is an arithmetic number, because the mean of its divisors is an integer number (5706612).

Almost surely, 2^123542230 is an apocalyptic number.

123542230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123542230 is an abundant number, since it is smaller than the sum of its proper divisors (150375146).

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

123542230 is a wasteful number, since it uses less digits than its factorization.

123542230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14869 (or 14862 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123542230 is about 11114.9552405756. The cubic root of 123542230 is about 498.0487014408.

Adding to 123542230 its reverse (32245321), we get a palindrome (155787551).

The spelling of 123542230 in words is "one hundred twenty-three million, five hundred forty-two thousand, two hundred thirty".