4312323551 has 4 divisors (see below), whose sum is σ = 4316358600. Its totient is φ = 4308288504.

The previous prime is 4312323539. The next prime is 4312323559. The reversal of 4312323551 is 1553232134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1553232134 = 2 ⋅776616067.

It is a cyclic number.

It is not a de Polignac number, because 4312323551 - 2⁶ = 4312323487 is a prime.

It is a super-2 number, since 2×4312323551² = 37192268817018499202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312323559) 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, 2015921 + ... + 2018058.

It is an arithmetic number, because the mean of its divisors is an integer number (1079089650).

Almost surely, 2^4312323551 is an apocalyptic number.

4312323551 is a deficient number, since it is larger than the sum of its proper divisors (4035049).

4312323551 is a wasteful number, since it uses less digits than its factorization.

4312323551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035048.

The product of its digits is 10800, while the sum is 29.

The square root of 4312323551 is about 65668.2842093503. The cubic root of 4312323551 is about 1627.6853179758.

Adding to 4312323551 its reverse (1553232134), we get a palindrome (5865555685).

The spelling of 4312323551 in words is "four billion, three hundred twelve million, three hundred twenty-three thousand, five hundred fifty-one".