340026423 has 16 divisors (see below), whose sum is σ = 495264000. Its totient is φ = 205793280.

The previous prime is 340026409. The next prime is 340026439. The reversal of 340026423 is 324620043.

It is a happy number.

It is not a de Polignac number, because 340026423 - 2⁵ = 340026391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340026393 and 340026402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340026403) 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, 18678 + ... + 32076.

It is an arithmetic number, because the mean of its divisors is an integer number (30954000).

Almost surely, 2^340026423 is an apocalyptic number.

340026423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340026423 is a deficient number, since it is larger than the sum of its proper divisors (155237577).

340026423 is a wasteful number, since it uses less digits than its factorization.

340026423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14182.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 340026423 is about 18439.8053948516. The cubic root of 340026423 is about 697.9712846319.

Adding to 340026423 its reverse (324620043), we get a palindrome (664646466).

The spelling of 340026423 in words is "three hundred forty million, twenty-six thousand, four hundred twenty-three".