623245151 has 4 divisors (see below), whose sum is σ = 625011072. Its totient is φ = 621479232.

The previous prime is 623245127. The next prime is 623245153. The reversal of 623245151 is 151542326.

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 623245151 - 2¹⁸ = 622983007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623245153) 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 3 ways as a sum of consecutive naturals, for example, 882431 + ... + 883136.

It is an arithmetic number, because the mean of its divisors is an integer number (156252768).

Almost surely, 2^623245151 is an apocalyptic number.

623245151 is a deficient number, since it is larger than the sum of its proper divisors (1765921).

623245151 is a wasteful number, since it uses less digits than its factorization.

623245151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765920.

The product of its digits is 7200, while the sum is 29.

The square root of 623245151 is about 24964.8783493932. The cubic root of 623245151 is about 854.1870233573.

Adding to 623245151 its reverse (151542326), we get a palindrome (774787477).

The spelling of 623245151 in words is "six hundred twenty-three million, two hundred forty-five thousand, one hundred fifty-one".