123380270 has 32 divisors (see below), whose sum is σ = 240468480. Its totient is φ = 45308160.

The previous prime is 123380267. The next prime is 123380273. The reversal of 123380270 is 72083321.

It is an interprime number because it is at equal distance from previous prime (123380267) and next prime (123380273).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123380273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22346 + ... + 27314.

It is an arithmetic number, because the mean of its divisors is an integer number (7514640).

Almost surely, 2^123380270 is an apocalyptic number.

123380270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123380270 is a deficient number, since it is larger than the sum of its proper divisors (117088210).

123380270 is a wasteful number, since it uses less digits than its factorization.

123380270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 123380270 is about 11107.6671718233. The cubic root of 123380270 is about 497.8309641734.

The spelling of 123380270 in words is "one hundred twenty-three million, three hundred eighty thousand, two hundred seventy".