2351223506 has 4 divisors (see below), whose sum is σ = 3526835262. Its totient is φ = 1175611752.

The previous prime is 2351223499. The next prime is 2351223509. The reversal of 2351223506 is 6053221532.

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

It can be written as a sum of positive squares in only one way, i.e., 1685841481 + 665382025 = 41059^2 + 25795^2 .

It is not an unprimeable number, because it can be changed into a prime (2351223509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587805875 + ... + 587805878.

Almost surely, 2^2351223506 is an apocalyptic number.

2351223506 is a deficient number, since it is larger than the sum of its proper divisors (1175611756).

2351223506 is a wasteful number, since it uses less digits than its factorization.

2351223506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175611755.

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

The square root of 2351223506 is about 48489.4164328671. The cubic root of 2351223506 is about 1329.7335863764.

The spelling of 2351223506 in words is "two billion, three hundred fifty-one million, two hundred twenty-three thousand, five hundred six".