340123452 has 24 divisors (see below), whose sum is σ = 794976336. Its totient is φ = 113180928.

The previous prime is 340123447. The next prime is 340123453. The reversal of 340123452 is 254321043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340123453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16783 + ... + 31014.

It is an arithmetic number, because the mean of its divisors is an integer number (33124014).

Almost surely, 2^340123452 is an apocalyptic number.

It is an amenable number.

340123452 is an abundant number, since it is smaller than the sum of its proper divisors (454852884).

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

340123452 is a wasteful number, since it uses less digits than its factorization.

340123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48397 (or 48395 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 340123452 is about 18442.4361731307. The cubic root of 340123452 is about 698.0376687033.

Adding to 340123452 its reverse (254321043), we get a palindrome (594444495).

The spelling of 340123452 in words is "three hundred forty million, one hundred twenty-three thousand, four hundred fifty-two".