340000023 has 16 divisors (see below), whose sum is σ = 494883072. Its totient is φ = 205920000.

The previous prime is 340000019. The next prime is 340000027. The reversal of 340000023 is 320000043.

It is an interprime number because it is at equal distance from previous prime (340000019) and next prime (340000027).

It is not a de Polignac number, because 340000023 - 2² = 340000019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 339999963 and 340000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340000027) 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, 66198 + ... + 71148.

It is an arithmetic number, because the mean of its divisors is an integer number (30930192).

Almost surely, 2^340000023 is an apocalyptic number.

340000023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340000023 is a deficient number, since it is larger than the sum of its proper divisors (154883049).

340000023 is a wasteful number, since it uses less digits than its factorization.

340000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 340000023 is about 18439.0895382608. The cubic root of 340000023 is about 697.9532204290.

Adding to 340000023 its reverse (320000043), we get a palindrome (660000066).

The spelling of 340000023 in words is "three hundred forty million, twenty-three", and thus it is an aban number.