123533030 has 16 divisors (see below), whose sum is σ = 222848064. Its totient is φ = 49304640.

The previous prime is 123533021. The next prime is 123533051. The reversal of 123533030 is 30335321.

It is a junction number, because it is equal to n+sod(n) for n = 123532993 and 123533011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8711 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (13928004).

Almost surely, 2^123533030 is an apocalyptic number.

123533030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123533030 is a deficient number, since it is larger than the sum of its proper divisors (99315034).

123533030 is a wasteful number, since it uses less digits than its factorization.

123533030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27151.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 123533030 is about 11114.5413760533. The cubic root of 123533030 is about 498.0363381601.

Adding to 123533030 its reverse (30335321), we get a palindrome (153868351).

The spelling of 123533030 in words is "one hundred twenty-three million, five hundred thirty-three thousand, thirty".