153123 has 8 divisors (see below), whose sum is σ = 209088. Its totient is φ = 99624.

The previous prime is 153113. The next prime is 153133. The reversal of 153123 is 321351.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (153113) and next prime (153133).

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

It is not a de Polignac number, because 153123 - 2⁴ = 153107 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 153123.

It is not an unprimeable number, because it can be changed into a prime (153113) 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, 465 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (26136).

2¹⁵³¹²³ is an apocalyptic number.

153123 is a deficient number, since it is larger than the sum of its proper divisors (55965).

153123 is a wasteful number, since it uses less digits than its factorization.

153123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its digits is 90, while the sum is 15.

The square root of 153123 is about 391.3093405479. The cubic root of 153123 is about 53.4991411048.

Adding to 153123 its reverse (321351), we get a palindrome (474474).

It can be divided in two parts, 153 and 123, that added together give a triangular number (276 = T₂₃).

The spelling of 153123 in words is "one hundred fifty-three thousand, one hundred twenty-three".