123532331 has 8 divisors (see below), whose sum is σ = 133210224. Its totient is φ = 113879520.

The previous prime is 123532289. The next prime is 123532349. The reversal of 123532331 is 133235321.

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

It is a cyclic number.

It is not a de Polignac number, because 123532331 - 2¹⁸ = 123270187 is a prime.

It is a super-2 number, since 2×123532331² = 30520473604587122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123532297 and 123532306.

It is not an unprimeable number, because it can be changed into a prime (123532361) 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, 4685 + ... + 16401.

It is an arithmetic number, because the mean of its divisors is an integer number (16651278).

Almost surely, 2^123532331 is an apocalyptic number.

123532331 is a deficient number, since it is larger than the sum of its proper divisors (9677893).

123532331 is a wasteful number, since it uses less digits than its factorization.

123532331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12541.

The product of its digits is 1620, while the sum is 23.

The square root of 123532331 is about 11114.5099307167. The cubic root of 123532331 is about 498.0353987945.

Adding to 123532331 its reverse (133235321), we get a palindrome (256767652).

The spelling of 123532331 in words is "one hundred twenty-three million, five hundred thirty-two thousand, three hundred thirty-one".