123903234 has 96 divisors (see below), whose sum is σ = 335637120. Its totient is φ = 32161536.

The previous prime is 123903229. The next prime is 123903251. The reversal of 123903234 is 432309321.

It is a happy number.

It is a super-2 number, since 2×123903234² = 30704022791317512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123903198 and 123903207.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109182 + ... + 110310.

It is an arithmetic number, because the mean of its divisors is an integer number (3496220).

Almost surely, 2^123903234 is an apocalyptic number.

123903234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123903234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167818560).

123903234 is an abundant number, since it is smaller than the sum of its proper divisors (211733886).

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

123903234 is a wasteful number, since it uses less digits than its factorization.

123903234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 123903234 is about 11131.1829560025. The cubic root of 123903234 is about 498.5333474001.

The spelling of 123903234 in words is "one hundred twenty-three million, nine hundred three thousand, two hundred thirty-four".