1712123340 has 48 divisors (see below), whose sum is σ = 4809121632. Its totient is φ = 455120896.

The previous prime is 1712123333. The next prime is 1712123341. The reversal of 1712123340 is 433212171.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1712123340.

It is not an unprimeable number, because it can be changed into a prime (1712123341) 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, 25989 + ... + 64028.

It is an arithmetic number, because the mean of its divisors is an integer number (100190034).

Almost surely, 2^1712123340 is an apocalyptic number.

1712123340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1712123340 is an abundant number, since it is smaller than the sum of its proper divisors (3096998292).

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

1712123340 is a wasteful number, since it uses less digits than its factorization.

1712123340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90346 (or 90344 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1712123340 is about 41377.8121702924. The cubic root of 1712123340 is about 1196.3135337917.

The spelling of 1712123340 in words is "one billion, seven hundred twelve million, one hundred twenty-three thousand, three hundred forty".