152023403 has 4 divisors (see below), whose sum is σ = 173741040. Its totient is φ = 130305768.

The previous prime is 152023397. The next prime is 152023429. The reversal of 152023403 is 304320251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152023403 - 2¹⁶ = 151957867 is a prime.

It is a super-2 number, since 2×152023403² = 46222230119400818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152023433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10858808 + ... + 10858821.

It is an arithmetic number, because the mean of its divisors is an integer number (43435260).

Almost surely, 2^152023403 is an apocalyptic number.

152023403 is a deficient number, since it is larger than the sum of its proper divisors (21717637).

152023403 is an equidigital number, since it uses as much as digits as its factorization.

152023403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717636.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 152023403 is about 12329.7770863872. Note that the first 3 decimals coincide. The cubic root of 152023403 is about 533.7077180773.

Adding to 152023403 its reverse (304320251), we get a palindrome (456343654).

The spelling of 152023403 in words is "one hundred fifty-two million, twenty-three thousand, four hundred three".