123234580 has 24 divisors (see below), whose sum is σ = 295763328. Its totient is φ = 42251808.

The previous prime is 123234571. The next prime is 123234583. The reversal of 123234580 is 85432321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123234583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439984 + ... + 440263.

It is an arithmetic number, because the mean of its divisors is an integer number (12323472).

Almost surely, 2^123234580 is an apocalyptic number.

123234580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123234580 is an abundant number, since it is smaller than the sum of its proper divisors (172528748).

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

123234580 is a wasteful number, since it uses less digits than its factorization.

123234580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880263 (or 880261 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 123234580 is about 11101.1071519916. The cubic root of 123234580 is about 497.6349372619.

The spelling of 123234580 in words is "one hundred twenty-three million, two hundred thirty-four thousand, five hundred eighty".