151220401523 has 8 divisors (see below), whose sum is σ = 155416328592. Its totient is φ = 147030205536.

The previous prime is 151220401517. The next prime is 151220401531. The reversal of 151220401523 is 325104022151.

151220401523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 151220401523 - 2²⁶ = 151153292659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151220401492 and 151220401501.

It is not an unprimeable number, because it can be changed into a prime (151220401543) 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 7 ways as a sum of consecutive naturals, for example, 1379240 + ... + 1484837.

It is an arithmetic number, because the mean of its divisors is an integer number (19427041074).

Almost surely, 2^151220401523 is an apocalyptic number.

151220401523 is a deficient number, since it is larger than the sum of its proper divisors (4195927069).

151220401523 is a wasteful number, since it uses less digits than its factorization.

151220401523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865541.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 151220401523 its reverse (325104022151), we get a palindrome (476324423674).

The spelling of 151220401523 in words is "one hundred fifty-one billion, two hundred twenty million, four hundred one thousand, five hundred twenty-three".