153122423 has 4 divisors (see below), whose sum is σ = 158061888. Its totient is φ = 148182960.

The previous prime is 153122419. The next prime is 153122447. The reversal of 153122423 is 324221351.

153122423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324221351 = 1693 ⋅191507.

It is a cyclic number.

It is not a de Polignac number, because 153122423 - 2² = 153122419 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 (153122323) 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, 2469686 + ... + 2469747.

It is an arithmetic number, because the mean of its divisors is an integer number (39515472).

Almost surely, 2^153122423 is an apocalyptic number.

153122423 is a deficient number, since it is larger than the sum of its proper divisors (4939465).

153122423 is an equidigital number, since it uses as much as digits as its factorization.

153122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939464.

The product of its digits is 1440, while the sum is 23.

The square root of 153122423 is about 12374.2645438022. The cubic root of 153122423 is about 534.9907390600.

Adding to 153122423 its reverse (324221351), we get a palindrome (477343774).

The spelling of 153122423 in words is "one hundred fifty-three million, one hundred twenty-two thousand, four hundred twenty-three".