123252330 has 64 divisors (see below), whose sum is σ = 307266048. Its totient is φ = 31618560.

The previous prime is 123252313. The next prime is 123252347. The reversal of 123252330 is 33252321.

It is an interprime number because it is at equal distance from previous prime (123252313) and next prime (123252347).

It is a super-2 number, since 2×123252330² = 30382273700857800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123252297 and 123252306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85294 + ... + 86726.

It is an arithmetic number, because the mean of its divisors is an integer number (4801032).

Almost surely, 2^123252330 is an apocalyptic number.

123252330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123252330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153633024).

123252330 is an abundant number, since it is smaller than the sum of its proper divisors (184013718).

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

123252330 is a wasteful number, since it uses less digits than its factorization.

123252330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 123252330 is about 11101.9065930137. The cubic root of 123252330 is about 497.6588282728.

Subtracting from 123252330 its reverse (33252321), we obtain a palindrome (90000009).

The spelling of 123252330 in words is "one hundred twenty-three million, two hundred fifty-two thousand, three hundred thirty".