123498830 has 64 divisors (see below), whose sum is σ = 276248448. Its totient is φ = 38707200.

The previous prime is 123498827. The next prime is 123498833. The reversal of 123498830 is 38894321.

It is an interprime number because it is at equal distance from previous prime (123498827) and next prime (123498833).

It is a super-2 number, since 2×123498830² = 30503922022737800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123498833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102230 + ... + 103430.

It is an arithmetic number, because the mean of its divisors is an integer number (4316382).

Almost surely, 2^123498830 is an apocalyptic number.

123498830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123498830 is an abundant number, since it is smaller than the sum of its proper divisors (152749618).

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

123498830 is a wasteful number, since it uses less digits than its factorization.

123498830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 123498830 is about 11113.0027445331. The cubic root of 123498830 is about 497.9903736251.

The spelling of 123498830 in words is "one hundred twenty-three million, four hundred ninety-eight thousand, eight hundred thirty".