340023030 has 64 divisors (see below), whose sum is σ = 856604160. Its totient is φ = 86214656.

The previous prime is 340023017. The next prime is 340023071. The reversal of 340023030 is 30320043.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122134 + ... + 124886.

It is an arithmetic number, because the mean of its divisors is an integer number (13384440).

Almost surely, 2^340023030 is an apocalyptic number.

340023030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340023030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428302080).

340023030 is an abundant number, since it is smaller than the sum of its proper divisors (516581130).

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

340023030 is a wasteful number, since it uses less digits than its factorization.

340023030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 340023030 is about 18439.7133925666. The cubic root of 340023030 is about 697.9689630236.

Adding to 340023030 its reverse (30320043), we get a palindrome (370343073).

The spelling of 340023030 in words is "three hundred forty million, twenty-three thousand, thirty".