153442323 has 16 divisors (see below), whose sum is σ = 240694560. Its totient is φ = 96277248.

The previous prime is 153442321. The next prime is 153442327. The reversal of 153442323 is 323244351.

It is not a de Polignac number, because 153442323 - 2¹ = 153442321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (153442321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166690 + ... + 167607.

It is an arithmetic number, because the mean of its divisors is an integer number (15043410).

Almost surely, 2^153442323 is an apocalyptic number.

153442323 is a deficient number, since it is larger than the sum of its proper divisors (87252237).

153442323 is a wasteful number, since it uses less digits than its factorization.

153442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334323 (or 334317 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 153442323 is about 12387.1838203847. The cubic root of 153442323 is about 535.3630435405.

Adding to 153442323 its reverse (323244351), we get a palindrome (476686674).

The spelling of 153442323 in words is "one hundred fifty-three million, four hundred forty-two thousand, three hundred twenty-three".