2647431123 has 8 divisors (see below), whose sum is σ = 3683382528. Its totient is φ = 1688216904.

The previous prime is 2647431121. The next prime is 2647431133. The reversal of 2647431123 is 3211347462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2647431123 - 2¹ = 2647431121 is a prime.

It is a super-2 number, since 2×2647431123² = 14017783102058082258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2647431121) 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 7 ways as a sum of consecutive naturals, for example, 19184215 + ... + 19184352.

It is an arithmetic number, because the mean of its divisors is an integer number (460422816).

Almost surely, 2^2647431123 is an apocalyptic number.

2647431123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2647431123 is a deficient number, since it is larger than the sum of its proper divisors (1035951405).

2647431123 is a wasteful number, since it uses less digits than its factorization.

2647431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38368593.

The product of its digits is 24192, while the sum is 33.

The square root of 2647431123 is about 51453.1935160491. The cubic root of 2647431123 is about 1383.3802040279.

Adding to 2647431123 its reverse (3211347462), we get a palindrome (5858778585).

The spelling of 2647431123 in words is "two billion, six hundred forty-seven million, four hundred thirty-one thousand, one hundred twenty-three".