340553023 has 4 divisors (see below), whose sum is σ = 347798880. Its totient is φ = 333307168.

The previous prime is 340552981. The next prime is 340553039. The reversal of 340553023 is 320355043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320355043 = 997 ⋅321319.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340553023 is a prime.

It is a super-2 number, since 2×340553023² = 231952722948877058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340553053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3622858 + ... + 3622951.

It is an arithmetic number, because the mean of its divisors is an integer number (86949720).

Almost surely, 2^340553023 is an apocalyptic number.

340553023 is a deficient number, since it is larger than the sum of its proper divisors (7245857).

340553023 is an equidigital number, since it uses as much as digits as its factorization.

340553023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245856.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 340553023 is about 18454.0787632436. The cubic root of 340553023 is about 698.3314155648.

The spelling of 340553023 in words is "three hundred forty million, five hundred fifty-three thousand, twenty-three".