153126505123 has 4 divisors (see below), whose sum is σ = 153461574520. Its totient is φ = 152791435728.

The previous prime is 153126505099. The next prime is 153126505139. The reversal of 153126505123 is 321505621351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321505621351 = 5581 ⋅57607171.

It is a cyclic number.

It is not a de Polignac number, because 153126505123 - 2⁹ = 153126504611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153126505153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167534013 + ... + 167534926.

It is an arithmetic number, because the mean of its divisors is an integer number (38365393630).

Almost surely, 2^153126505123 is an apocalyptic number.

153126505123 is a deficient number, since it is larger than the sum of its proper divisors (335069397).

153126505123 is an equidigital number, since it uses as much as digits as its factorization.

153126505123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335069396.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 153126505123 in words is "one hundred fifty-three billion, one hundred twenty-six million, five hundred five thousand, one hundred twenty-three".