152123430321 has 24 divisors (see below), whose sum is σ = 229131162624. Its totient is φ = 100855283760.

The previous prime is 152123430307. The next prime is 152123430323. The reversal of 152123430321 is 123034321251.

152123430321 is a `hidden beast` number, since 15 + 212 + 3 + 430 + 3 + 2 + 1 = 666.

152123430321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152123430321 - 2²⁶ = 152056321457 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 (152123430323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1685361 + ... + 1773326.

It is an arithmetic number, because the mean of its divisors is an integer number (9547131776).

Almost surely, 2^152123430321 is an apocalyptic number.

It is an amenable number.

152123430321 is a deficient number, since it is larger than the sum of its proper divisors (77007732303).

152123430321 is an equidigital number, since it uses as much as digits as its factorization.

152123430321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458883 (or 3458871 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 152123430321 its reverse (123034321251), we get a palindrome (275157751572).

The spelling of 152123430321 in words is "one hundred fifty-two billion, one hundred twenty-three million, four hundred thirty thousand, three hundred twenty-one".