153623 has 2 divisors, whose sum is σ = 153624. Its totient is φ = 153622.

The previous prime is 153611. The next prime is 153641. The reversal of 153623 is 326351.

It is a weak prime.

It is an emirp because it is prime and its reverse (326351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153623 - 2⁴ = 153607 is a prime.

It is a super-2 number, since 2×153623² = 47200052258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153595 and 153604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76811 + 76812.

It is an arithmetic number, because the mean of its divisors is an integer number (76812).

2¹⁵³⁶²³ is an apocalyptic number.

153623 is a deficient number, since it is larger than the sum of its proper divisors (1).

153623 is an equidigital number, since it uses as much as digits as its factorization.

153623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 20.

The square root of 153623 is about 391.9477005928. The cubic root of 153623 is about 53.5573089561.

Adding to 153623 its reverse (326351), we get a palindrome (479974).

It can be divided in two parts, 15 and 3623, that multiplied together give a palindrome (54345).

The spelling of 153623 in words is "one hundred fifty-three thousand, six hundred twenty-three".