123453470 has 32 divisors (see below), whose sum is σ = 262158336. Its totient is φ = 40960800.

The previous prime is 123453461. The next prime is 123453479. The reversal of 123453470 is 74354321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123453461) and next prime (123453479).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123453479) 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, 26276 + ... + 30615.

It is an arithmetic number, because the mean of its divisors is an integer number (8192448).

Almost surely, 2^123453470 is an apocalyptic number.

123453470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123453470 is an abundant number, since it is smaller than the sum of its proper divisors (138704866).

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

123453470 is a wasteful number, since it uses less digits than its factorization.

123453470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56936.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 123453470 is about 11110.9617045511. The cubic root of 123453470 is about 497.9293970435.

The spelling of 123453470 in words is "one hundred twenty-three million, four hundred fifty-three thousand, four hundred seventy".