123402960 has 80 divisors (see below), whose sum is σ = 425062080. Its totient is φ = 32906880.

The previous prime is 123402941. The next prime is 123402973. The reversal of 123402960 is 69204321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26406 + ... + 30725.

It is an arithmetic number, because the mean of its divisors is an integer number (5313276).

Almost surely, 2^123402960 is an apocalyptic number.

123402960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123402960 is an abundant number, since it is smaller than the sum of its proper divisors (301659120).

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

123402960 is a wasteful number, since it uses less digits than its factorization.

123402960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57153 (or 57141 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 123402960 is about 11108.6884914467. The cubic root of 123402960 is about 497.8614798364.

The spelling of 123402960 in words is "one hundred twenty-three million, four hundred two thousand, nine hundred sixty".