4323120551 has 4 divisors (see below), whose sum is σ = 4324725000. Its totient is φ = 4321516104.

The previous prime is 4323120539. The next prime is 4323120563. The reversal of 4323120551 is 1550213234.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4323120539) and next prime (4323120563).

It is a cyclic number.

It is not a de Polignac number, because 4323120551 - 2²² = 4318926247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4323120551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323120751) 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, 798176 + ... + 803573.

It is an arithmetic number, because the mean of its divisors is an integer number (1081181250).

Almost surely, 2^4323120551 is an apocalyptic number.

4323120551 is a deficient number, since it is larger than the sum of its proper divisors (1604449).

4323120551 is a wasteful number, since it uses less digits than its factorization.

4323120551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604448.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 4323120551 is about 65750.4414509895. The cubic root of 4323120551 is about 1629.0426273586.

Adding to 4323120551 its reverse (1550213234), we get a palindrome (5873333785).

The spelling of 4323120551 in words is "four billion, three hundred twenty-three million, one hundred twenty thousand, five hundred fifty-one".