151203423 has 32 divisors (see below), whose sum is σ = 250573824. Its totient is φ = 79114752.

The previous prime is 151203407. The next prime is 151203439. The reversal of 151203423 is 324302151.

151203423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (151203407) and next prime (151203439).

It is not a de Polignac number, because 151203423 - 2⁴ = 151203407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 151203423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151203443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7486 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (7830432).

Almost surely, 2^151203423 is an apocalyptic number.

151203423 is a deficient number, since it is larger than the sum of its proper divisors (99370401).

151203423 is a wasteful number, since it uses less digits than its factorization.

151203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 151203423 is about 12296.4801061117. The cubic root of 151203423 is about 532.7464212472.

Adding to 151203423 its reverse (324302151), we get a palindrome (475505574).

The spelling of 151203423 in words is "one hundred fifty-one million, two hundred three thousand, four hundred twenty-three".