34400623 has 4 divisors (see below), whose sum is σ = 34503040. Its totient is φ = 34298208.

The previous prime is 34400603. The next prime is 34400627. The reversal of 34400623 is 32600443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32600443 = 379 ⋅86017.

It is a cyclic number.

It is not a de Polignac number, because 34400623 - 2⁵ = 34400591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34400594 and 34400603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34400627) 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, 50703 + ... + 51376.

It is an arithmetic number, because the mean of its divisors is an integer number (8625760).

Almost surely, 2^34400623 is an apocalyptic number.

34400623 is a deficient number, since it is larger than the sum of its proper divisors (102417).

34400623 is a wasteful number, since it uses less digits than its factorization.

34400623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102416.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 34400623 is about 5865.2044295148. The cubic root of 34400623 is about 325.2286296594.

The spelling of 34400623 in words is "thirty-four million, four hundred thousand, six hundred twenty-three".