123355134 has 24 divisors (see below), whose sum is σ = 305451120. Its totient is φ = 35244288.

The previous prime is 123355129. The next prime is 123355139. The reversal of 123355134 is 431553321.

It is an interprime number because it is at equal distance from previous prime (123355129) and next prime (123355139).

It is a junction number, because it is equal to n+sod(n) for n = 123355098 and 123355107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123355139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489379 + ... + 489630.

It is an arithmetic number, because the mean of its divisors is an integer number (12727130).

Almost surely, 2^123355134 is an apocalyptic number.

123355134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123355134 is an abundant number, since it is smaller than the sum of its proper divisors (182095986).

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

123355134 is a wasteful number, since it uses less digits than its factorization.

123355134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979024 (or 979021 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 123355134 is about 11106.5356434849. The cubic root of 123355134 is about 497.7971545295.

The spelling of 123355134 in words is "one hundred twenty-three million, three hundred fifty-five thousand, one hundred thirty-four".