123470420 has 24 divisors (see below), whose sum is σ = 262942848. Its totient is φ = 48692000.

The previous prime is 123470401. The next prime is 123470423. The reversal of 123470420 is 24074321.

It is a super-2 number, since 2×123470420² = 30489889229952800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123470423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42056 + ... + 44895.

It is an arithmetic number, because the mean of its divisors is an integer number (10955952).

Almost surely, 2^123470420 is an apocalyptic number.

123470420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123470420 is an abundant number, since it is smaller than the sum of its proper divisors (139472428).

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

123470420 is a wasteful number, since it uses less digits than its factorization.

123470420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87031 (or 87029 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 123470420 is about 11111.7244386279. The cubic root of 123470420 is about 497.9521843523.

The spelling of 123470420 in words is "one hundred twenty-three million, four hundred seventy thousand, four hundred twenty".