123533534 has 8 divisors (see below), whose sum is σ = 185790360. Its totient is φ = 61603416.

The previous prime is 123533507. The next prime is 123533549. The reversal of 123533534 is 435335321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123533497 and 123533506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80729 + ... + 82244.

It is an arithmetic number, because the mean of its divisors is an integer number (23223795).

Almost surely, 2^123533534 is an apocalyptic number.

123533534 is a deficient number, since it is larger than the sum of its proper divisors (62256826).

123533534 is a wasteful number, since it uses less digits than its factorization.

123533534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163354.

The product of its digits is 16200, while the sum is 29.

The square root of 123533534 is about 11114.5640490304. The cubic root of 123533534 is about 498.0370154688.

Adding to 123533534 its reverse (435335321), we get a palindrome (558868855).

The spelling of 123533534 in words is "one hundred twenty-three million, five hundred thirty-three thousand, five hundred thirty-four".