755623 has 8 divisors (see below), whose sum is σ = 836496. Its totient is φ = 676800.

The previous prime is 755617. The next prime is 755627. The reversal of 755623 is 326557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755623 is a prime.

It is a super-2 number, since 2×755623² = 1141932236258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 755591 and 755600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (104562).

2⁷⁵⁵⁶²³ is an apocalyptic number.

755623 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

755623 is a deficient number, since it is larger than the sum of its proper divisors (80873).

755623 is a wasteful number, since it uses less digits than its factorization.

755623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its digits is 6300, while the sum is 28.

The square root of 755623 is about 869.2657821403. The cubic root of 755623 is about 91.0825238601.

It can be divided in two parts, 755 and 623, that added together give a triangular number (1378 = T₅₂).

The spelling of 755623 in words is "seven hundred fifty-five thousand, six hundred twenty-three".