68562623 has 4 divisors (see below), whose sum is σ = 68706240. Its totient is φ = 68419008.

The previous prime is 68562589. The next prime is 68562631. The reversal of 68562623 is 32626586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32626586 = 2 ⋅16313293.

It is a cyclic number.

It is not a de Polignac number, because 68562623 - 2⁸ = 68562367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68562673) 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, 71090 + ... + 72047.

It is an arithmetic number, because the mean of its divisors is an integer number (17176560).

Almost surely, 2^68562623 is an apocalyptic number.

68562623 is a deficient number, since it is larger than the sum of its proper divisors (143617).

68562623 is a wasteful number, since it uses less digits than its factorization.

68562623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143616.

The product of its digits is 103680, while the sum is 38.

The square root of 68562623 is about 8280.2550081504. The cubic root of 68562623 is about 409.2881222163.

The spelling of 68562623 in words is "sixty-eight million, five hundred sixty-two thousand, six hundred twenty-three".