123053720 has 32 divisors (see below), whose sum is σ = 277635600. Its totient is φ = 49085568.

The previous prime is 123053717. The next prime is 123053731. The reversal of 123053720 is 27350321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11102 + ... + 19218.

Almost surely, 2^123053720 is an apocalyptic number.

123053720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123053720 is an abundant number, since it is smaller than the sum of its proper divisors (154581880).

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

123053720 is a wasteful number, since it uses less digits than its factorization.

123053720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 123053720 is about 11092.9581266676. The cubic root of 123053720 is about 497.3913738075.

The spelling of 123053720 in words is "one hundred twenty-three million, fifty-three thousand, seven hundred twenty".